Alert archive / Arkansas / Flash Flood Warnings in 1996

Flash Flood Warning 4, NWS Tulsa, OK

April 22, 1996Madison County, Arkansas

NWS Tulsa, OK issued this flash flood warning at Apr 22, 1996, 2:31 AM CDT for Madison County, Arkansas. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 22, 1996, 2:31 AM CDT (07:31 UTC)
Expired
Apr 22, 1996, 4:30 AM CDT
In force
119 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Madison County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.5 hours before the alert went out and 99 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, Springfield, MO at 00:00Z on 1996-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1598 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 00:00Z on 1996-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.19395878Sfc1 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
1598 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
594 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTUL 220733
FFWTUL
ARC087-220930-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TULSA OK
231 AM CDT MON APR 22 1996
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  430 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ARKANSAS
 
   ...MADISON COUNTY
 
AT 231 AM...RADAR ESTIMATES THAT 2 TO 3 INCHES OF RAIN HAS FALLEN ACROSS
PORTIONS OF MADISON COUNTY OVER PAST FEW HOURS. AN ADDITIONAL INCH OR
TWO OF RAINFALL IS POSSIBLE THROUGH 330 AM.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS LIKELY OR HAS BEEN
REPORTED.  STAY ALERT AND WATCH FOR RAPIDLY RISING WATER.
REMEMBER...IT'S IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO< THE
NEAREST STREAM...CREEK OR RIVER WHICH CAN BECOME A KILLER DURING
PERIODS OF HEAVY RAIN.
 
KEEP TUNED TO THIS STATION FOR THE LATEST WEATHER BULLETINS.

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 Tulsa, OK wrote its last area forecast discussion before this flash flood warning went out at Apr 21, 9:21 PM CDT, 5 hours 10 minutes earlier.

Area forecast discussion, Apr 21, 9:21 PM CDT, 5 hours 10 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
920 PM CDT SUN APR 21 1996

WATER VAPOR SHOWS A SHORTWAVE MOVING SLOWLY EAST ACROSS CENTRAL
KANSAS...WESTERN OKLAHOMA AND INTO WEST TEXAS.  MEANWHILE...SURFACE
MAPS SHOW A COLD FRONT FROM JUST WEST OF A TOP-ICT-GAG-DHT LINE
WITH DEW POINTS BETWEEN 60 TO 65 TO ITS SOUTHEAST ACROSS MUCH OF
OKLAHOMA AND INTO NORTHWEST ARKANSAS.  MOISTURE AT 8H SHOULD ALSO
BE PLENTIFUL WITH 12C DEW POINTS AT FTW AND SHV.  KTLX AND KINX 88-
D'S SHOW SCT STRONG TRW ACROSS THE REGION AND EXPECT THIS WILL
CONTINUE UNTIL THE COLD FRONT PASSES LATER TONIGHT AND TOMORROW
MORNING.  THINK FLASH FLOOD THREAT IS MARGINAL BUT WILL KEEP IT
WITH ALL THE STORMS AROUND AND SOME STORMS HAVING THE POTENTIAL TO
PRODUCE A QUICK INCH AND A HALF OR TWO INCHES ON TOP OF PLACES
WHICH MAY HAVE ALREADY HAD STORMS.  THE THREAT OF FLASH FLOODING
WILL END AS THE COLD FRONT PASSES WITH ONLY LINGERING PATCHES OF
LIGHT RAIN REMAINING.  RAIN SHOULD END FROM THE NORTHWEST TOMORROW
AS THE COLD FRONT PUSHES FURTHER SOUTH AND EAST AWAY FROM THE AREA.

.TUL...
OK...FLASH FLOOD WATCH ZNS 54>76 TONIGHT.
AR...FLASH FLOOD WATCH ZNS 1/2/10/11/19/29 TONIGHT.

ABBAS

In the hours before

Special weather statement, Apr 21, 9:51 PM CDT, 4 hours 40 minutes before
OKZ054>076-ARZ001-002-010-011-019-029-221245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
950 PM CDT SUN APR 21 1996

...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MUCH OF EASTERN
   OKLAHOMA AND NORTHWEST ARKANSAS TONIGHT...

A FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE FOLLOWING EASTERN
OKLAHOMA COUNTIES TONIGHT...

OSAGE...WASHINGTON...PAWNEE...NOWATA...CRAIG...OTTAWA...
DELAWARE...MAYES...ROGERS...TULSA...CREEK....OKFUSKEE....
OKMULGEE...MUSKOGEE...MCINTOSH...WAGONER...ADAIR...CHEROKEE...
HASKELL...LATIMER...LE FLORE...PITTSBURG AND SEQUOYAH.

THE FLASH FLOOD WATCH ALSO INCLUDES THE FOLLOWING NORTHWEST
ARKANSAS COUNTIES...

BENTON...CARROLL...CRAWFORD...MADISON...SEBASTIAN AND WASHINGTON.

A FLASH FLOOD WATCH MEANS THAT THE POTENTIAL EXISTS FOR FLASH
FLOODING.  SCATTERED THUNDERSTORMS HAVE OCCURRED OVER PARTS OF
EASTERN OKLAHOMA THIS AFTERNOON AND EVENING AND SHOULD SPREAD INTO
NORTHWEST ARKANSAS DURING THE NIGHT.  WITH AN UPPER ATMOSPHERIC
DISTURBANCE MOVING INTO THE AREA FROM THE WEST AND A COLD FRONT
APPROACHING THE AREA FROM THE NORTHWEST...THUNDERSTORMS SHOULD
CONTINUE TO DEVELOP OVER AND MOVE ACROSS EASTERN OKLAHOMA AND
NORTHWEST ARKANSAS TONIGHT.  THESE THUNDERSTORMS WILL FEED UPON AIR
THAT IS RICH IN MOISTURE AND WILL BE CAPABLE OF PRODUCING LOCALLY
HEAVY RAINS.  THUS...FLASH FLOODING WILL BE POSSIBLE...ESPECIALLY
IN AREAS WHICH HAVE ALREADY RECEIVED HEAVY RAINS EARLIER IN THE
DAY.

PERSONS IN THE WATCH AREA NEED TO MAKE PLANS FOR THE POSSIBILITY OF
FLASH FLOODING TONIGHT...PARTICULARLY IF YOU LIVE IN A FLOOD PRONE
AREA.   IF YOU SHOULD ENCOUNTER FLOODED ROADWAYS...PLEASE DO NOT
DRIVE INTO THE WATER AS THE ROAD UNDERNEAT(H MAY HAVE BEEN WASHED
OUT.  KEEP TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA FOR
POSSIBLE FLASH FLOOD WARNINGS.
Special weather statement, Apr 21, 10:53 PM CDT, 3 hours 38 minutes before
OKZ054>056-059-220415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1050 PM CDT SUN APR 21 1996

...TORNADO WATCH NUMBER 218 HAS BEEN CANCELLED FOR THE FOLLOWING
NORTHEAST OKLAHOMA COUNTIE0S...

PAWNEE...OSAGE...WASHINGTON...AND NOWATA.

THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE SOUTH AND EAST
OF THESE COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT FOR THE REST OF EASTERN OKLAHOMA
UNTIL 3 AM.
Special weather statement, Apr 22, 1:31 AM CDT, 1 hour before
OKZ057-058-060>062-064-067-220900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
130 AM CDT MON APR 22 1996

...TORNADO WATCH NUMBER 218 HAS BEEN CANCELLED FOR THE FOLLOWING
NORTHEAST OKLAHOMA COUNTIES...

CREEK...TULSA...WAGONER...ROGERS...CRAIG...MAYES AND OTTAWA.

THE THREAT OF SEVERE WEATHER HAS SHIFTED TO THE SOUTH AND EAST
OF THESE COUNTIES.

A TORNADO WATCH REMAINS IN EFFECT FOR THE REST OF EASTERN OKLAHOMA
SOUTH AND EAST 4OF THESE COUNTIES UNTIL 300 AM CDT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 10:54 PM CDTSevere Thunderstorm WarningTSACrawford, Sebastian51 min
Apr 21, 11:08 PM CDTTornado WarningTSACrawford, Sebastian52 min
Apr 21, 11:26 PM CDTTornado WarningTSACrawford49 min
Apr 21, 11:50 PM CDTTornado WarningTSAMadison40 min
Apr 22, 12:28 AM CDTSevere Thunderstorm WarningTSAMadison32 min
Apr 22, 12:49 AM CDTSevere Thunderstorm WarningTSAMadison41 min
Apr 22, 12:57 AM CDTTornado WarningTSAWashington48 min
Apr 22, 1:24 AM CDTSevere Thunderstorm WarningTSAMadison51 min
Apr 22, 1:32 AM CDTSevere Thunderstorm WarningTSACarroll43 min
Apr 22, 1:42 AM CDTFlash Flood WarningTSAWashington3 hr
Apr 22, 1:50 AM CDTTornado WarningTSACrawford, Washington40 min
Apr 22, 2:04 AM CDTSevere Thunderstorm WarningTSACrawford, Sebastian41 min
Apr 22, 2:10 AM CDTSevere Thunderstorm WarningTSACarroll35 min

Nearby

Flash Flood Warnings in Arkansas, 1996Every flash flood warning in 1996

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.