Alert archive / Texas / Flash Flood Warnings in 1997

Flash Flood Warning 6, NWS Norman, OK

May 8, 1997Archer County, Clay County, Texas

NWS Norman, OK issued this flash flood warning at May 8, 1997, 8:34 PM CDT for Archer County, Clay County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: May 8, 1997, 8:34 PM CDT (01:34 UTC)
Expired: May 8, 1997, 11:30 PM CDT
In force: 3 hr
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Archer County, TX, Clay County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.6 hours before the alert went out and 127 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1444 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 916 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOKC 090137
FFWOKC
TXC009-077-090430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
834 PM CDT THU MAY 08 1997

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A FLASH FLOOD
WARNING EFFECTIVE UNTIL 1130 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTIES

IN NORTHERN TEXAS
     EASTERN ARCHER AND SOUTHERN CLAY

INCLUDING THE FOLLOWING LOCATIONS
     ARCHER CITY...BLUEGROVE...HENRIETTA...JOY...LAKE ARROWHEAD
     ...VASHTI AND WINDTHORST

AT 834 PM CDT SEVERE THUNDERSTORMS MOVING THROUGH ARCHER AND CLAY
COUNTIES HAVE DUMPED RAIN AT 3 TO 4 INCHES PER HOUR ACROSS THE
WARNED AREA. WIDESPREAD FLOODING OF ROADWAYS IS EXPECTED IN
EASTERN ARCHER AND SOUTHERN CLAY COUNTIES. 

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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.  REMEMBER...MOST
DE
ATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  IT ONLY TAKES A
FOOT OR TWO OF FLOWING WATER TO WASH MOST CARS AWAY.


LAT...LON 3348  9802 3345  9865 3381  9865 3381  9810

PURPURA

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 8, 7:08 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	52 min
May 8, 7:15 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Wichita, Wilbarger	45 min
May 8, 7:15 PM CDT	Severe Thunderstorm Warning	OUN	Foard, Knox	45 min
May 8, 7:55 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay, Wichita	50 min
May 8, 7:55 PM CDT	Severe Thunderstorm Warning	OUN	Baylor, Knox	50 min
May 8, 8:00 PM CDT	Tornado Warning	OUN	Clay	45 min
May 8, 8:28 PM CDT	Flash Flood Warning	OUN	Wichita	3 hr
May 8, 8:41 PM CDT	Tornado Warning	OUN	Clay	34 min
May 8, 9:24 PM CDT	Flash Flood Warning	OUN	Baylor, Knox	4 hr
May 8, 11:09 PM CDT	Flash Flood Warning	OUN	Archer, Clay, Wichita	3 hr

Nearby

Flash Flood Warnings in Texas, 1997 Every flash flood warning in 1997

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.