Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 13, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Mar 30, 2007, 4:13 PM CDT for Clay County, Wichita County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 30, 2007, 4:13 PM CDT (21:13 UTC)
- Expired
- Mar 30, 2007, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Whole counties
Counties Clay County, TX, Wichita County, TX
The radar
The Altus AFB radar (KFDR), 71 km from the middle of the area, began a volume at 21:14 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 |
|---|---|---|---|
| Mar 30, 4:30 PM CDT | FLASH FLOOD | 3 N Henrietta, TX | WATER FLOWING OVER FM 1197 ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.2 hours before the alert went out and 160 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
- 905 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 565 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KOUN 302115
FFWOUN
TXC077-485-310015-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
413 PM CDT FRI MAR 30 2007
THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CLAY COUNTY IN NORTHERN TEXAS...
EASTERN WICHITA COUNTY IN NORTHERN TEXAS...
* UNTIL 715 PM CDT
* AT 413 PM CDT...VERY HEAVY RAIN HAS FALLEN OVER CLAY AND EASTERN
PARTS OF WICHITA COUNTY IN THE PAST FEW HOURS. ADDITIONAL HEAVY
RAINFALL IS EXPECTED AS MORE THUNDERSTORMS PRODUCING VERY
HEAVY RAIN MOVE OVER THE AREA.
* LOCATIONS IN THE WARNING INCLUDE BELLEVUE...BLUEGROVE...BUFFALO
SPRINGS...BURKBURNETT...CASHION COMMUNITY...DEAN...HENRIETTA...IOWA
PARK...JOLLY...JOY...LAKE ARROWHEAD...NEWPORT...PETROLIA...PLEASANT
VALLEY...SHEPPARD AFB...VASHTI AND WICHITA FALLS.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARM LANDS 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 WATER COVERS THE ROADWAY.
AS LITTLE AS 6 INCHES OF WATER MAY CAUSE YOU TO LOSE CONTROL OF YOUR
VEHICLE. TWO FEET OF RUSHING WATER CAN CARRY AWAY MOST VEHICLES
INCLUDING SPORT UTILITY VEHICLES AND PICKUP TRUCKS. MOVE TO HIGHER
GROUND.
LAT...LON 3416 9871 3383 9872 3384 9843 3346 9841
3345 9798 3396 9797
$$The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 1:23 PM CDT | Flash Flood Warning | OUN | Clay, Wichita | 3 hr |
| Mar 30, 1:45 PM CDT | Severe Thunderstorm Warning | OUN | Baylor | 45 min |
| Mar 30, 2:28 PM CDT | Severe Thunderstorm Warning | OUN | Archer | 47 min |
| Mar 30, 2:50 PM CDT | Severe Thunderstorm Warning | OUN | Wichita | 40 min |
| Mar 30, 3:27 PM CDT | Severe Thunderstorm Warning | OUN | Clay | 48 min |
Nearby
Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007
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.