Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 4, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at May 10, 2012, 10:24 AM CDT for Irion County, Texas. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 10, 2012, 10:24 AM CDT (15:24 UTC)
- Expired
- May 10, 2012, 1:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Irion County, TX
The radar
The San Angelo radar (KSJT), 54 km from the middle of the area, began a volume at 15:28 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 10, 10:28 AM CDT | FLASH FLOOD | 12 N Barnhart, TX | IRION COUNTY DISPATCH REPORTED THAT RR 2469 WAS FLOODED. |
| May 10, 10:28 AM CDT | FLASH FLOOD | 1 Sw Barnhart, TX | IRION COUNTY DISPATCH REPORTED THAT HWY 67 WEST OF BARNHART WAS FLOODED |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 3.4 hours before the alert went out and 134 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
- 121 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 579 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
305 WGUS54 KSJT 101524 FFWSJT TXC235-101830- /O.NEW.KSJT.FF.W.0004.120510T1524Z-120510T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1024 AM CDT THU MAY 10 2012 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... IRION COUNTY IN WEST CENTRAL TEXAS... * UNTIL 130 PM CDT * AT 1019 AM CDT...THUNDERSTORMS WITH VERY HEAVY RAINFALL ARE MOVING NORTH TO NORTHEAST ACROSS IRION COUNTY. THE HEAVY RAINFALL WILL CAUSE FLOODING OF ROADS INCLUDING HIGHWAY 67...HIGHWAY 163 AND FM 2469. * IMPACTS FROM THIS INTENSE RAINFALL WILL INCLUDE: FLOODING OF LOW LYING ROADS AND INTERSECTIONS. RAPID RISE OF AREA CREEKS...STREAMS...AND ARROYOS. WATER WILL BE HIGH AND FAST ENOUGH TO STALL VEHICLES OR WASH THEM COMPLETELY OFF THE ROAD. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...MERTZON... ARDEN...BARNHART AND SHERWOOD. THIS INCLUDES THE LOW WATER CROSSINGS AT... RANCH ROAD 853 CROSSING MIDDLE CONCHO RIVER... RANCH ROAD 859 CROSSING WEST ROCKY CREEK... RM 853 CROSSING DRY DRAW... CROSSINGS ALONG COUNTY ROAD 411... CROSSINGS ALONG COUNTY ROAD 302... COUNTY ROAD 113 CROSSING DOVE CREEK... COUNTY ROAD 202 CROSSING SPRING CREEK... PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. && LAT...LON 3108 10126 3152 10127 3152 10073 3109 10070 $$ JMJ
1 follow-up statement
841 WGUS74 KSJT 101738 FFSSJT FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 1238 PM CDT THU MAY 10 2012 TXC235-101830- /O.CON.KSJT.FF.W.0004.000000T0000Z-120510T1830Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ IRION TX- 1238 PM CDT THU MAY 10 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM CDT FOR IRION COUNTY... AT 1230 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT FLOODING CONTINUED ACROSS IRION COUNTY INCLUDING WATER OVER HIGHWAY 67 WEST OF BARNHART AND WATER OVER RANCH ROAD 2469 IN CENTRAL IRION COUNTY. LIGHT TO MODERATE RAIN SHOWERS CONTINUE TO MOVE ACROSS IRION COUNTY. EXPECT FLOOD WATERS TO RECEDE SLOWLY. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ARDEN AND MERTZON. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 100 PM CDT THURSDAY AFTERNOON FOR WEST CENTRAL TEXAS. A SEVERE THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 800 PM CDT THURSDAY EVENING FOR WEST CENTRAL TEXAS. && LAT...LON 3108 10126 3152 10127 3152 10073 3109 10070 $$ JMJ
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:30 PM CDT | Special Weather Statement | SJT | Upton | 60 min |
| May 10, 3:52 AM CDT | Flash Flood Watch | SJT | Brown, Callahan, Coke, Coleman, Concho, Crockett and 13 more | 23 hr |
| May 10, 6:35 AM CDT | Areal Flood Advisory | SJT | Crockett | 115 min |
| May 10, 6:54 AM CDT | Special Weather Statement | SJT | Crockett | 51 min |
| May 10, 7:31 AM CDT | Special Weather Statement | SJT | Sutton | 44 min |
| May 10, 9:01 AM CDT | Special Weather Statement | SJT | Menard | 59 min |
| May 10, 9:36 AM CDT | Special Weather Statement | SJT | Menard | 24 min |
| May 10, 9:47 AM CDT | Flash Flood Warning | SJT | Crockett | 3 hr |
| May 10, 10:41 AM CDT | Special Weather Statement | SJT | Irion | 34 min |
| May 10, 10:45 AM CDT | Severe Thunderstorm Warning | SJT | Irion | 30 min |
| May 10, 11:12 AM CDT | Special Weather Statement | SJT | Kimble | 33 min |
| May 10, 11:15 AM CDT | Special Weather Statement | SJT | Tom Green | 30 min |
| May 10, 11:24 AM CDT | Areal Flood Advisory | SJT | Schleicher, Sutton | 3 hr |
| May 10, 11:58 AM CDT | Flash Flood Warning | SJT | Tom Green | 3 hr |
| May 10, 12:30 PM CDT | Special Weather Statement | SJT | Tom Green | 30 min |
| May 10, 12:34 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 26 min |
| May 10, 12:58 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 32 min |
| May 10, 1:10 PM CDT | Special Weather Statement | SJT | Menard | 50 min |
| May 10, 1:47 PM CDT | Areal Flood Advisory | SJT | Concho, Menard | 118 min |
| May 10, 2:00 PM CDT | Special Weather Statement | SJT | Runnels | 60 min |
| May 10, 2:16 PM CDT | Areal Flood Advisory | SJT | Coke, Runnels | 119 min |
| May 10, 2:19 PM CDT | Special Weather Statement | SJT | McCulloch | 56 min |
| May 10, 2:55 PM CDT | Areal Flood Advisory | SJT | Tom Green | 3 hr |
| May 10, 3:28 PM CDT | Areal Flood Advisory | SJT | Jones, Taylor | 107 min |
| May 10, 4:00 PM CDT | Areal Flood Advisory | SJT | Irion | 105 min |
Nearby
Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.