ACUS74 KHGX 310218 PSHHOU PRELIMINARY STORM REPORT...TROPICAL STORM ALLISON... NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 920 PM CDT MON JUL 30 2001 A. WIND DATA... HOUSTON INTERCONTINENTAL AIRPORT...IAH...ASOS 2-MINUTE....010 DEGREES 21 KT AT 0309 UTC JUN 6 2001 PEAK GUST...360 DEGREES 28 KT AT 0313 UTC JUN 6 2001 HOUSTON HOBBY AIRPORT...HOU...ASOS 2-MINUTE....020 DEGREES 27 KT AT 2254 UTC JUN 5 2001 PEAK GUST...030 DEGREES 33 KT AT 2005 UTC JUN 5 2001 GALVESTON...GLS...ASOS 2-MINUTE....100 DEGREES 33 KT AT 2123 UTC JUN 5 2001 PEAK GUST...140 DEGREES 40 KT AT 2123 UTC JUN 5 2001 PALACIOS...PSX...ASOS 2-MINUTE....070 DEGREES 22 KT AT 1721 UTC JUN 5 2001 PEAK GUST...020 DEGREES 24 KT AT 0003 UTC JUN 6 2001 ANGLETON...LBX...ASOS 2-MINUTE....020 DEGREES 20 KT AT 2229 UTC JUN 5 2001 PEAK GUST...020 DEGREES 23 KT AT 2229 UTC JUN 5 2001 ELLINGTON FIELD 2-MINUTE....VRB DEGREES 20 KT AT 0130 UTC JUN 6 2001 PEAK GUST...VRB DEGREES 44 KT AT 0130 UTC JUN 6 2001 LEAGUE CITY...HGX (NWS OFFICE) PEAK GUST...130 DEGREES 25 KT AT 2100 UTC JUN 5 2001 SUGARLAND...SGR...ASOS 2-MINUTE....140 DEGREES 20 KT AT 0708 UTC JUN 5 2001 PEAK GUST...050 DEGREES 25 KT AT 2225 UTC JUN 5 2001 TOMBALL...DWH...ASOS 2-MINUTE....030 DEGREES 21 KT AT 0407 UTC JUN 6 2001 PEAK GUST...030 DEGREES 29 KT AT 0409 UTC JUN 6 2001 CONROE...CXO...ASOS 2-MINUTE....190 DEGREES 17 KT AT 0954 UTC JUN 6 2001 PEAK GUST...020 DEGREES 26 KT AT 0444 UTC JUN 6 2001 HUNTSVILLE...UTS...ASOS 2-MINUTE....270 DEGREES 16 KT AT 1139 UTC JUN 6 2001 PEAK GUST...280 DEGREES 20 KT AT 1444 UTC JUN 6 2001 COLLEGE STATION...CLL...ASOS 2-MINUTE....100 DEGREES 17 KT AT 1843 UTC JUN 5 2001 PEAK GUST...090 DEGREES 21 KT AT 1840 UTC JUN 5 2001 PEARLAND...LVJ...ASOS 2-MINUTE....010 DEGREES 26 KT AT 2216 UTC JUN 5 2001 PEAK GUST...020 DEGREES 32 KT AT 2215 UTC JUN 5 2001 BRENHAM...11R...AWOS 2-MINUTE....110 DEGREES 15 KT AT 0030 UTC JUN 6 2001 PEAK GUST...130 DEGREES 20 KT AT 2330 UTC JUN 5 2001 EAGLE POINT (PORTS - NOAA/NOS) 2-MINUTE....075 DEGREES 37 KT AT 2130 UTC JUN 5 2001 PEAK GUST...075 DEGREES 42 KT AT 2130 UTC JUN 5 2001 MORGANS POINT (PORTS - NOAA/NOS) 2-MINUTE....150 DEGREES 27 KT AT 0318 UTC JUN 6 2001 PEAK GUST...150 DEGREES 36 KT AT 0318 UTC JUN 6 2001 PLEASURE PIER (PORTS - NOAA/NOS) 2-MINUTE....090 DEGREES 38 KT AT 2118 UTC JUN 5 2001 PEAK GUST...090 DEGREES 45 KT AT 2118 UTC JUN 5 2001 NORTH JETTY (PORTS - NOAA/NOS) 2-MINUTE....100 DEGREES 35 KT AT 2116 UTC JUN 5 2001 PEAK GUST...100 DEGREES 42 KT AT 2116 UTC JUN 5 2001 BUOY 42035 2-MINUTE....120 DEGREES 31 KT AT 1500 UTC JUN 5 2001 PEAK GUST...120 DEGREES 41 KT AT 1500 UTC JUN 5 2001 BUOY 42019 2-MINUTE....080 DEGREES 27 KT AT 1300 UTC JUN 5 2001 PEAK GUST...080 DEGREES 33 KT AT 1300 UTC JUN 5 2001 B. LOWEST PRESSURE... HOUSTON INTER. AIRPORT...IAH...1003.0 MB AT 0413 UTC JUN 6 2001 HOUSTON HOBBY AIRPORT....HOU...1004.4 MB AT 0253 UTC JUN 6 2001 GALVESTON................GLS...1004.4 MB AT 0215 UTC JUN 6 2001 PALACIOS.................PSX...1005.8 MB AT 0048 UTC JUN 6 2001 ANGLETON.................LBX...1004.1 MB AT 0223 UTC JUN 6 2001 LEAGUE CITY..............HGX...1005.6 MB AT 0300 UTC JUN 6 2001 ELLINGTON FIELD..........EFD...1004.4 MB AT 0250 UTC JUN 6 2001 SUGARLAND................SGR...1005.4 MB AT 0336 UTC JUN 6 2001 TOMBALL..................DWH...1003.4 MB AT 0559 UTC JUN 6 2001 CONROE...................CXO...1002.7 MB AT 0757 UTC JUN 6 2001 HUNTSVILLE...............UTS...1003.7 MB AT 0943 UTC JUN 6 2001 GOLLEGE STATION..........CLL...1006.8 MB AT 1014 UTC JUN 6 2001 PEARLAND.................LVJ...1004.1 MB AT 0300 UTC JUN 6 2001 BRENHAM..................11R...1007.1 MB AT 1330 UTC JUN 6 2001 JAMAICA BEACH..................1004.3 MB AT 0100 UTC JUN 6 2001 BUOY 42035.....................1004.8 MB AT 0000 UTC JUN 6 2001 BUOY 42019.....................1005.1 MB AT 2300 UTC JUN 5 2001 EAGLE POINT....................1005.4 MB AT 0230 UTC JUN 6 2001 MORGANS POINT..................1004.6 MB AT 0300 UTC JUN 6 2001 PLEASURE PIER..................1003.7 MB AT 0130 UTC JUN 6 2001 NORTH JETTY....................1002.9 MB AT 0012 UTC JUN 6 2001 C. RAINFALL... 24 HOUR TOTALS......5TH / 6TH / 7TH / 8TH / 9TH / 10TH / TOTAL IAH................ 5.33/ 0.03/ 0.07/ 8.13/ 2.92/ TRACE/ 16.48 HOU................ 6.46/ 0.01/ 0.63/ 5.03/ 6.49/ 0.15 / 18.77 GLS................ 3.36/ 0.00/ 0.19/ 0.49/ 5.59/ 0.14 / 9.77 PSX................ 0.04/ 0.00/ 0.90/ 0.00/TRACE/ TRACE/ 0.94 LBX................ 0.27/ 0.00/ 1.35/ 0.95/ 0.99/ 0.10 / 3.66 HGX................ 6.90/ 0.00/ 0.23/ 1.42/10.86/ TRACE/ 19.41 SGR................ 1.28/ 0.00/ 7.85/TRACE/ 0.48/ TRACE/ 9.61 DWH................ 3.42/ 0.18/ 0.17/ 9.37/ MISG/ TRACE/ 13.14 CXO................ 2.22/ 1.93/ 0.26/11.36/ 1.70/ 0.01 / 17.48 UTS................ 0.89/ 5.66/ 2.80/ 2.51/ 0.30/ 0.00 / 12.16 CLL................ 0.05/ 0.01/ 1.44/ 1.99/TRACE/ 0.00 / 3.49 LVJ................ 8.00/ 0.01/ 0.27/ 0.64/12.47/ 0.02 / 21.41 JAMAICA BEACH...... 2.19/ 0.00/ 0.31/ 1.00/ 8.29/ 0.20 / 12.13 GREATEST 1...6...12...AND 24 HOUR MAXIMUM RAINFALL TOTALS IAH....1 HOUR - 2.29 (09/04Z-09/05Z) ....6 HOUR - 7.90 (09/00Z-09/06Z) ...12 HOUR - 10.92 (08/22Z-09/10Z) ...24 HOUR - 11.12 (08/21Z-09/21Z) HOU....1 HOUR - 2.77 (05/23Z-05/24Z) ....6 HOUR - 7.90 (05/21Z-06/03Z) ...12 HOUR - 11.04 (08/22Z-09/10Z) ...24 HOUR - 11.32 (08/21Z-09/21Z) GLS....1 HOUR - 1.64 (05/20Z-05/21Z) ....6 HOUR - 4.53 (09/07Z-09/13Z) ...12 HOUR - 4.53 (09/07Z-09/19Z) ...24 HOUR - 5.62 (09/08Z-10/08Z) DWH....1 HOUR - 1.81 (09/04Z-09/05Z) ....6 HOUR - 7.68 (09/00Z-09/06Z) ...12 HOUR - 10.31 (08/23Z-09/11Z) ...24 HOUR - 10.45 (08/23Z-09/23Z) CXO....1 HOUR - 3.06 (09/00Z-09/01Z) ....6 HOUR - 9.87 (08/19Z-09/01Z) ...12 HOUR - 10.61 (08/19Z-09/07Z) ...24 HOUR - 12.45 (08/18Z-09/18Z) LVJ... 1 HOUR - 3.72 (05/22Z-05/23Z) ....6 HOUR - 7.62 (09/05Z-09/11Z) ...12 HOUR - 7.87 (09/05Z-09/17Z) ...24 HOUR - 12.86 (08/23Z-09/23Z) OTHER RAINFALL REPORTS BY COUNTY FOR JUNE 4 -10... AUSTIN BELLVILLE 3.63 SEALY 0.99 BRAZORIA ALVIN 11.23 ANGLETON 4.52 FREEPORT 12.12 WEST COLUMBIA 2.86 VARNER HOGG PLANT. 4.80 BURLESON CALDWELL 1.88 SOMERVILLE 5.63 CHAMBERS ANAHUAC 12.50 WINNIE 16.58 FORT BEND CLODINE 5.94 THOMPSONS 6.67 RICHMOND 7.49 IMPERIAL SUGAR 15.57 SUGARLAND CITY HALL 15.31 MISSOURI CITY 10.98 GALVESTON FRIENDSWOOD 25.98 JAMAICA BEACH 1 1.99 TEXAS CITY 8.52 GALVESTON 12.08 DICKINSON 14.48 COWARD CREEK @ BAKER 27.95 CHIGGER CREEK @WINDSONG 18.78 HARRIS PORT OF HOUSTON 36.99 DEER PARK 20.50 WESTBURY 19.53 BAYTOWN 9.83 GREENS BAYOU AT WEST MT. HOUSTON 35.76 WESTHEIMER AND KIRBY 33.00 HUNTING BAYOU AT I-10 35.75 VINCE BAYOU AT WEST ELLAINE 25.31 LITTLE VINCE AT JACKSON 22.40 GARNERS BAYOU AT BELTWAY 8 24.61 GREENS BAYOU AT US HIGHWAY 59 23.58 BUFFALO BAYOU AT TURNING BASIN 23.54 CLEAR CREEK AT TELEPHONE ROAD 20.04 BRAYS BAYOU AT STELLA LINK 19.72 BRAYS AT LAWNDALE 21.46 WHITE OAK BAYOU AT ELLA 18.19 CYPRESS CREEK AT GRANT 21.41 CROSBY 13.75 TOMBALL 16.20 LA PORTE 18.86 BELLAIRE 11.25 MUSEUM OF NATURAL SCIENCE 20.83 FURR HIGH SCHOOL 35.14 KINGWOOD 21.00 DEER PARK 22.99 HEIGHTS 32.00 HOUSTON COUNTY PENNINGTON 15.60 CROCKETT 14.56 RATCLIFF 14.22 ARBOR 13.95 WECHES 11.35 LOVELADY 9.05 W. GRAPELAND 14.26 LIBERTY LIBERTY 9.24 CLEVELAND 7.95 MADISON MIDWAY 11.87 MADISONVILLE 8.95 MONTGOMERY CONROE 18.08 DACUS 8.75 NEW CANEY 11.38 MONTGOMERY 8.46 2NE WILLIS 15.10 POLK ONALASKA 5.30 MOSCOW 8.77 SPRING CREEK 7.35 GOODRICH 7.95 INDIAN SPRINGS 5.29 ESCAPEE'S PARK 5.52 TARKINGTON PR. 9.9 SEGNO 12.99 CORRIGAN 11.38 LIVINGSTON 9.31 SAN JACINTO COLDSPRING 6.25 WATERWOOD 7.36 WOLF CREEK PARK 6.70 TRINITY GROVETON 11.56 WALKER HUNTSVILLE 13.45 RIVERSIDE 13.43 HARMON CREEK 10.43 NEW WAVERLY 12.57 WALLER HEMPSTEAD 6.26 WASHINGTON BRENHAM 5.05 WASHINGTON ON THE BRAZOS 5.61 D. STORM SURGE... MAXIMUM TIDE READINGS... EAGLE POINT................4.20 FT MLLW AT 2142 UTC JUN 5 2001 MORGANS POINT..............4.40 FT MLLW AT 0030 UTC JUN 6 2001 PLEASURE PIER..............4.50 FT MLLW AT 1930 UTC JUN 5 2001 NORTH JETTY................3.80 FT MLLW AT 1954 UTC JUN 5 2001 JAMAICA BEACH..............3.80 FT MLLW AT 2300 UTC JUN 5 2001 CLEAR CREEK@SEABROOK.......4.73 FT MLLW AT 0100 UTC JUN 6 2001 TEXAS CITY.................3.62 FT MLLW AT 2100 UTC JUN 5 2001 FREEPORT@BRAZOS LEVEE......3.49 FT MLLW AT 1600 UTC JUN 5 2001 FREEPORT@DOW CHEMICAL......3.06 FT MLLW AT 1806 UTC JUN 5 2001 WALLISVILLE@TRINITY BAY....4.12 FT MLLW AT 0700 UTC JUN 6 2001 E. BEACH EROSION... MINOR BEACH EROSION FROM HIGH ISLAND TO FREEPORT. AREAS ALONG BOLIVER PENISULA THAT NORMALLY EXPERIENCES MAJOR BEACH EROSION ON STORMS SIMILAR TO THIS WAS PROTECTED BY A MITIGATION PROJECT CALLED A GEO TUBE. F. FLOODING...RECORD BREAKING MAJOR FLOOD. 8-12 INCHES OF RAIN WAS MEASURED ACROSS NORTHERN GALVESTON AND EASTERN HARRIS COUNTY WHEN ALLISON MADE LANDFALL ON TUESDAY. WEDNESDAY AND THURSDAY FLOOD PRODUCING RAINFALL WAS MEASURED IN OTHER AREAS OF SOUTHEAST TEXAS INCLUDING LIBERTY AND SUGARLAND AREA IN FORT BEND COUNTY. ON FRIDAY AFTERNOON THE RECORD BREAKING FLOOD BEGAN IN WALKER AND MONTGOMERY COUNTIES AROUND 4PM AND MOVED INTO HARRIS COUNTY AROUND 5 PM AND SPREAD SLOWLY SOUTH DURING THE NIGHT WHILE CONTINUING TO RAIN MOST OF THE NIGHT IN HARRIS COUNTY WITH RAINFALL RATES OF 2 TO 3 INCHES PER HOUR RECEIVED FOR SEVERAL CONSECUTIVE HOURS. HEAVY RAINS CONTINUED ON SATURDAY WITH RAINS FINALLY ENDING ON SUNDAY. G. TORNADOES...ONE H. STORM EFFECTS... ESTIMATED DAMAGE 5.15 BILLION DOLLARS. OVER 46000 HOMES WERE DAMAGED BY THE FLOOD WITH DAMAGE OVER $1.8B. THERE WAS NEARLY 2000 BUSINESSES AFFECTED WITH DAMAGE OF $1.08B. A LARGE PORTION OF THE DAMAGE WAS TO PUBLIC FACILITIES SUCH AS HOSPITALS IN THE MEDICAL CENTER WITH DAMAGE ESTIMATED OVER $2B. 22 DEATHS...ALL DEATHS IN HARRIS COUNTY 3 ELECTROCUTIONS 10 DROWNINGS WHILE IN VEHICLE 7 DROWNED WHILE ON FOOT 1 DROWNED AFTER TAKING ELEVATOR TO UNDERGROUND PARKING 1 DROWNED (UNKNOWN CIRCUMSTANCES) G. HAFELE