Alert archive / Arkansas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 150, NWS Tulsa, OK

April 29, 1994Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 29, 1994, 5:32 AM CDT for Madison County, Arkansas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Apr 29, 1994, 5:32 AM CDT (10:32 UTC)
Expired
Apr 29, 1994, 6:30 AM CDT
In force
58 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Madison County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 10.5 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 1994-04-29Temperature 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, Springfield, MO at 00:00Z on 1994-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1271 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Apr 29, 4:54 AM CDT, 38 minutes earlier.

Area forecast discussion, Apr 29, 4:54 AM CDT, 38 minutes before
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In the hours before

Special weather statement, Apr 29, 2:11 AM CDT, 3 hours 21 minutes before
OKC061-077-079-121-290815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
212 AM CDT FRI APR 29 1994

...SEVERE THUNDERSTORM WATCH IN EFFECT FOR PARTS OF SOUTHEAST
OKLAHOMA...

AT 210 AM...THE NATIONAL WEATHER SERVICE RADAR IN TULSA INDICATED
INCREASING THUNDERSTORM ACTIVITY IN SOUTHEAST OKLAHOMA. THE STRONGEST
STORM AT 210 AM WAS ABOUT 7 MILES SOUTH OF MCALESTER...NEAR SAVANNA.
THIS STORM WILL PRODUCE PEA SIZE HAIL AND WIND GUSTS TO 40 MPH AS IT
MOVES SOUTH OF THE MCALESTER AREA.

OTHER STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTH CENTRAL OKLAHOMA
BETWEEN ADA AND DURANT.

ALL OF THE STORMS WERE MOVING NORTHEAST AT 40 MPH.

STAY TUNED TO NOAA WEATHER RADIO OR PUBLIC RADIO OR TV FOR LATER
STATEMENTS OR WARNINGS.
Special weather statement, Apr 29, 3:32 AM CDT, 2 hours before
OKZ065-066-070-071-073-074-290930-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
332 AM CDT FRI APR 29 1994

...THE SEVERE THUNDERSTORM WARNING FOR PITTSBURG COUNTY EXPIRED AT
330 AM...

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF SOUTHEAST
OKLAHOMA UNTIL 8 AM...

AT 331 AM WEATHER RADAR SHOWED THE THUNDERSTORM THAT PRODUCED LARGE HAIL
IN PITTSBURG COUNTY HAD WEAKENED BELOW SEVERE LIMITS AND HAD MOVED INTO
WESTERN HASKELL AND SOUTHERN MUSKOGEE COUNTIES.  OTHER STRONG STORMS WERLOCATED IN WESTERN MCINTOSH AND SOUTHERN OKMULGEE COUNTIES...AND ALSO
APPROACHING PITTSBURG COUNTY FROM THE SOUTH.  MOVEMENT WAS TO THE NORTHE
T30 MILES AN HOUR.

PERSONS IN AND< NEAR THE WATCH AREA SHOULD REMAIN ALERT FOR THE APPROACH
OF THUNDERSTORMS THIS MORNING...AND LISTEN FOR LATER STATEMENTS AND
POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.
Special weather statement, Apr 29, 4:56 AM CDT, 36 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 2:17 AM CDTSevere Thunderstorm WarningTSAPittsburg28 min
Apr 29, 2:44 AM CDTSevere Thunderstorm WarningTSAPittsburg46 min
Apr 29, 3:40 AM CDTSevere Thunderstorm WarningTSAHaskell, Muskogee20 min
Apr 29, 4:10 AM CDTSevere Thunderstorm WarningTSAPittsburg50 min
Apr 29, 4:39 AM CDTSevere Thunderstorm WarningTSALeFlore36 min
Apr 29, 4:39 AM CDTSevere Thunderstorm WarningTSALatimer51 min
Apr 29, 4:19 AM CDTSevere Thunderstorm WarningTSAFranklin, Logan, Sebastian56 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1994Every severe thunderstorm warning in 1994

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.