Alert archive / Texas / Flash Flood Warnings in 1993

Flash Flood Warning 2, NWS Amarillo, TX

May 8, 1993Briscoe County, Texas

NWS Amarillo, TX issued this flash flood warning at May 8, 1993, 7:48 AM CDT for Briscoe County, Texas. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
May 8, 1993, 7:48 AM CDT (12:48 UTC)
Expired
May 8, 1993, 9:45 AM CDT
In force
117 min
Issued by
NWS Amarillo, TX
Area
Whole counties

County Briscoe County, TX

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 0.8 hours before the alert went out and 90 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-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 1993-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 1993-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2798 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
-3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KAMA 081247
FFWAMA
TXC045-081445-
 
BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AMARILLO TX
748 AM CDT SAT MAY 8 1993
 
THE NATIONAL WEATHER SERVICE IN AMARILLO HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL  945 AM CDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN THE TEXAS PANHANDLE
 
   ...SOUTHEASTERN BRISCOE COUNTY
 
DOPPLER RADAR CONTINUED TO SHOW A SEVERE THUNDERSTORM WITH VERY HEAVY
RAINS IN THE EXTREME SOUTHEAST PART OF BRISCOE COUNTY...JUST EAST OF
QUITAQUE. THIS STORM HAD PRODUCED UP TO GOLF BALL SIZE HAIL AND RAINFALL
ESTIMATED AT GREATER THAN 2 INCHES DURING THE PAST HOUR. THE STORM WAS
MOVING SLOWLY NORTHEAST AT 5 TO 10 MPH.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.  IF
OUTSIDE...MOVE TO ZSHELTER...PREFERABLY INSIDE A STRONG BUILDING.

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.

In the hours before

Special weather statement, May 8, 2:00 AM CDT, 5 hours 48 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-272345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
200 AM CDT SAT MAY 8 1993

...TORNADO WATCH IS IN EFFECT FOR THE EASTERN COUNTIES OF THE TEXAS
PANHANDLE EAST OF A LINE FROM HANSFORD TO SWISHER...AND TEXAS AND
BEAVER COUNTIES OF THE EAST OKLAHOMA PANHANDLE.

AT 140 AM CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS HAD DEVELOPED DURING THE LAST HOUR IN SOUTHERN BRISCO
COUNTY OF THE TEXAS PANHANDLE.

MOVEMENT WAS NORTHEAST AT 45 MPH.

HR
Special weather statement, May 8, 2:08 AM CDT, 5 hours 40 minutes before
TXZ001>012-COZ015>017-NMZ005-009-013-OKZ001>004-008-009-012-013-272345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE AMARILLO TX
200 AM CDT SAT MAY 8 1993

...TORNADO WATCH IS IN EFFECT FOR THE EASTERN COUNTIES OF THE TEXAS
PANHANDLE EAST OF A LINE FROM HANSFORD TO SWISHER...AND TEXAS AND
BEAVER COUNTIES OF THE EAST OKLAHOMA PANHANDLE.

AT 140 AM CDT...THE NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS HADt DEVELOPED DURING THE LAST HOUR IN SOUTHERN BRISCO
COUNTY OF THE TEXAS PANHANDLE.

MOVEMENT WAS NORTHEAST AT 45 MPH.

HR
Special weather statement, May 8, 5:27 AM CDT, 2 hours 21 minutes before
TXZ001>009-NMZ005-009-013-OKZ001>003-081800-

TEXAS/OKLAHOMA PANHANDLES THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
527 AM CDT SAT MAY 8 1993

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT
ACROSS THE EASTERN HALVES OF THE TEXAS AND OKLAHOMA PANHANDLES. THE
AREA IS TO THE RIGHT OF A LINE FROM MIDLAND...TO AMARILLO...TO 20
MILES WEST OF GARDEN CITY KANSAS.

EARLY THIS MORNING...A SHARP DRYLINE EXTENDED FROM THE EASTERN
OKLAHOMA PANHANDLE THROUGH THE EASTERN TEXAS PANHANDLE TO THE EAST OF
AMARILLO. DEWPOINTS EAST OF THE DRYLINE WERE IN THE 60S WITH
DEWPOINTS IN THE 30S WEST OF THE DRYLINE. AT 525 AM...A LINE OF
STRONG TO SEVERE THUNDERSTORMS EXTENDED FROM COLLINGSWORTH COUNTY TO
BRISCOE COUNTY IN THE SOUTHEAST TEXAS PANHANDLE.

THE DRYLINE IS EXPECTED TO REMAIN IN THE EASTERN PANHANDLES DURING
THE DAY TODAY. THE ATMOSPHERE WILL REMAIN VERY UNSTABLE ALONG AND
EAST OF THE DRYLINE. AS AN UPPER LEVEL WEATHER DISTURBANCE MOVES
ACROSS THE AREA DURING THE AFTERNOON HOURS...ADDITIONAL THUNDERSTORM
DEVELOPMENT IS EXPECTED IN THE MODERATE RISK AREA.

SOME OF THESE THUNDERSTORMS WILL LIKELY BECOME SEVERE THIS AFTERNOON
AND TONIGHT WITH THE MAIN THREATS BEING LARGE HAIL AND DAMAGING
WINDS. BECAUSE OF A FAVORABLE WIND PROFILE...A FEW TORNADOES ARE ALSO
POSSIBLE IN THE MODERATE RISK AREA.

SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS IN THE EASTERN
HALVES OF THE TEXAS AND OKLAHOMA PANHANDLES SHOFULD BE READY FOR
LIKELY ACTIVATION TODAY AND TONIGHT.

ANOTHER THUNDERSTORMS OUTLOOK WILL BE ISSUED AROUND 1 PM.

SAR

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 2:23 AM CDTSevere Thunderstorm WarningAMABriscoe, Swisher67 min
May 8, 3:23 AM CDTSevere Thunderstorm WarningAMADonley67 min
May 8, 5:17 AM CDTSevere Thunderstorm WarningAMABriscoe58 min
May 8, 6:24 AM CDTFlash Flood WarningAMABriscoe2 hr
May 8, 6:24 AM CDTSevere Thunderstorm WarningAMABriscoe3 hr
May 8, 7:48 AM CDTSevere Thunderstorm WarningAMABriscoe52 min
May 8, 7:54 AM CDTFlash Flood WarningAMAHall2 hr
May 8, 9:50 AM CDTSevere Thunderstorm WarningAMAChildress40 min

Nearby

Flash Flood Warnings in Texas, 1993Every flash flood warning in 1993

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.