Alert archive / Texas / Flash Flood Warnings in 2001
Flash Flood Warning 12, NWS Lubbock, TX
NWS Lubbock, TX issued this flash flood warning at May 4, 2001, 1:08 PM CDT for Castro County, Lamb County, Texas. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- May 4, 2001, 1:08 PM CDT (18:08 UTC)
- Expired
- May 4, 2001, 3:15 PM CDT
- In force
- 2 hr
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties
Counties Castro County, TX, Lamb County, TX
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 6.1 hours before the alert went out and 261 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 293 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 751 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 138 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KLUB 041811 FFWLBB TXC069-279-042015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LUBBOCK TX 108 PM CDT FRI MAY 4 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... CASTRO COUNTY IN THE PANHANDLE OF TEXAS LAMB COUNTY IN NORTHWEST TEXAS * UNTIL 315 PM CDT * AT 102 PM CDT...MODERATE TO HEAVY RAIN WAS OCCURRING OVER CASTRO AND WESTERN LAMB COUNTIES. THE CASTRO COUNTY SHERIFF'S OFFICE REPORTED MANY ROADWAYS COVERED WITH WATER. IN WESTERN LAMB COUNTY ROADWAYS WERE ALSO FLOODED. THE AREA OF RAIN WAS MOVING NORTHEAST AT 20 MPH. RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BYr FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Lubbock, TX wrote its last area forecast discussion before this flash flood warning went out at May 4, 11:35 AM CDT, 1 hour 33 minutes earlier.
Area forecast discussion, May 4, 11:35 AM CDT, 1 hour 33 minutes before
SOUTH PLAINS AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LUBBOCK TX 1135 AM CDT FRI MAY 4 2001 LCL HVY RA CONTS TO DVLP THIS MRNG ACROSS MUCH OF THE NRN PARTS OF THE FA. 12Z RAOB FM MAF SHOWS A VERY TROPICAL LIKE ATMOS WITH MOIST CONDS AND HIGH PWS VALUES. MAIN CONCERN FOR THE UPDATE THIS MRNG IS FOR THE POTENTIAL FOR FLASH FLOODING ACROSS PARTS OF THE FA. BELIEVE BEST THREAT FOR HVY RA WL GRADUALLY SHIFT E BY THIS EVENING AS UPR LOW OVR THE AZ/NM BORDER PUSHES E AND WITH IT THE BEST UPR LVL DIFFLUENCE. LTR TNGT COMBO OF LEFT EXIT REGION OF SUBTROP JET...PW VALUES 214% OF NORMAL...40KT LLJ...DECENT LOW-LVL CONVG AND MINOR SHORT WAVES EJECTING FM THE UPR LOW WL COMBINE TO AID IN THE PRODUCTION OF LCL HVY RA. HPC/RFC QPFS SHOW A 1-3 INCH RA POTENTIAL WHICH WOULD FURTHER SUPPORT A FLASH FLOOD THREAT. WL THEREFORE GO AHEAD AND ISSUE A FLASH FLOOD WATCH FOR THE SE TX PNHDL AND THE NRN ROLLING PLAINS THROUGH TNGT. PONDERED WHETHER TO INCLUDE COUNTIES W OF THE CAPROCK IN THE WATCH BUT ATTM BELIEVE AFOREMENTIONED AREAS WL SEE THE MOST PROLONGED PERIOD OF HVY RA. BEST DYNAMICS APPEAR TO PUSH N AND E AFT MIDNGT BUT IF UPR LOW IS SLOWER TO PROGRESS THAN EXPECTED HVY RA THREAT COULD BE SUSTAINED PAST MIDNGT. WL GET UPDATED ZFP AND FFA OUT SHORTLY. .LUB...FLASH FLOOD WATCH TROUGH TNGT TXZ024>026-031-032. ST
In the hours before
Special weather statement, May 4, 11:45 AM CDT, 1 hour 23 minutes before
TXZ021>044-031900- AREA THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE LUBBOCK TX 1145 AM CDT FRI MAY 4 2001 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT OVER THE EXTREME SOUTHERN TEXAS PANHANDLE...THE SOUTH PLAINS AND THE LOW ROLLING PLAINS. AN UPPER LEVEL LOW OVER ARIZONA AND WEAK DISTURBANCES MOVING ACROSS NORTHERN MEXICO INTO WEST TEXAS WILL INTERACT WITH THE DRYLINE THIS AFTERNOON AND EVENING. THIS COMBINED WITH NUMEROUS OUTFLOW BOUNDARIES WILL INCREASE THUNDERSTORM DEVELOPMENT THIS AFTERNOON AND TONIGHT WITH ISOLATED SEVERE STORMS POSSIBLE. THE PRIMARY THREAT WILL BE LARGE HAIL. FLOODING RAINS WILL ALSO BE POSSIBLE DUE TO THE SLOW MOVEMENT OF THE STORMS. LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS AND SPOTTER GROUPS SHOULD MONITOR THE LATEST WEATHER CONDITIONS AND BE PREPARED FOR POSSIBLE ACTIVATION.
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:00 PM CDT | Flash Flood Warning | LUB | Bailey | 3 hr |
| May 3, 7:29 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 46 min |
| May 3, 7:33 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 42 min |
| May 3, 8:13 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 47 min |
| May 3, 8:18 PM CDT | Severe Thunderstorm Warning | LUB | Cochran | 42 min |
| May 3, 8:20 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 25 min |
| May 3, 8:30 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 45 min |
| May 3, 8:40 PM CDT | Flash Flood Warning | LUB | Castro, Lamb | 3 hr |
| May 3, 8:44 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 46 min |
| May 3, 8:57 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 48 min |
| May 3, 9:28 PM CDT | Severe Thunderstorm Warning | LUB | Hockley, Lubbock | 47 min |
| May 3, 9:32 PM CDT | Severe Thunderstorm Warning | LUB | Terry | 13 min |
| May 3, 9:42 PM CDT | Flash Flood Warning | LUB | Terry | 3 hr |
| May 3, 9:42 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 48 min |
| May 3, 10:10 PM CDT | Flash Flood Warning | LUB | Swisher | 3 hr |
| May 3, 10:13 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 47 min |
| May 3, 10:28 PM CDT | Severe Thunderstorm Warning | LUB | Lamb | 47 min |
| May 3, 10:45 PM CDT | Flash Flood Warning | LUB | Bailey, Cochran | 3 hr |
| May 3, 10:59 PM CDT | Severe Thunderstorm Warning | LUB | Hockley | 61 min |
| May 3, 11:10 PM CDT | Flash Flood Warning | LUB | Hockley | 3 hr |
| May 3, 11:40 PM CDT | Flash Flood Warning | LUB | Briscoe | 3 hr |
| May 4, 1:01 AM CDT | Flash Flood Warning | LUB | Briscoe, Floyd, Hale, Hall, Swisher | 3 hr |
| May 4, 1:53 AM CDT | Flash Flood Warning | LUB | Bailey, Castro, Lamb, Parmer | 2 hr |
| May 4, 12:15 PM CDT | Flash Flood Warning | LUB | Parmer | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2001Every flash flood warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.