Alert archive / Arkansas / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 15, 1994, 9:28 AM CDT for Greene County, Arkansas. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Apr 15, 1994, 9:28 AM CDT (14:28 UTC)
- Expired
- Apr 15, 1994, 10:15 AM CDT
- In force
- 47 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
County Greene County, AR
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 2.5 hours before the alert went out and 153 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
- 1448 J/kg
- Mixed-layer CIN
- -187 J/kg
- Mixed-layer LCL
- 614 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 256 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEM 151428 SVRMEM ARC055-151515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 928 AM CDT FRI APR 15 1994 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM CDT FOR PERSONS IN THE FOLLOWING LOCATIONS...... IN EAST ARKANSAS ...GREENE COUNTY DOPPLER WEATHER RADAR LOCATED A SEVERE THUNDERSTORM ABOUT THREE MILES SOUTHEAST OF O'KEAN IN WESTERN GREENE COUNTY AT 925 PM. MOVING TOWARD THE EAST AT NEARLY 40 MPH THIS STORM WILL BRING LARGE HAIL AND HIGH WIND TO THE O'KEAN .. EVENING STAR .. DELAPLAINE AREAS BETWEEN 930 AM AND 1015 THIS MORNING. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
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.
In the hours before
Special weather statement, Apr 15, 4:50 AM CDT, 4 hours 38 minutes before
TNZALL-151345-
TENNESSEE SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEMPHIS TN
446 AM CDT FRI APR 15 1994
...SEVERE WEATHER TO AFFECT TENNESSEE TODAY AND TONIGHT...
A COLD FRONT AT 5 A.M. THIS MORNING EXTENDED FROM NORTHWESTERN ILLINOIS
TO NORTHWESTERN ARKANSAS THEN INTO CENTRAL OKLAHOMA. THE FRONT IS
EXPECTED TO MOVE THROUGH WEST TENNESSEE BEFORE EVENING..REACHING THE
PLATEAU AROUND MIDNIGHT AND SHOULD BE JUST EAST OF THE STATE BY EARLY
SATURDAY MORNING.
THE ATMOSPHERE ALONG AND TO THE EAST OF THE FRONT IS VERY UNSTABLE AND
MOIST..AND SEVERE WEATHER WATCHES ARE ALREADY IN EFFECT OVER SECTIONS OF
ILLINOIS AND MISSOURI THIS MORNING.
SO RESIDENTS OF TENNESSEE SHOULD BE ALERT FOR THE DEVELOPMENT OF SEVERE
WEATHER TODAY..AND FOR THE WEST THAT COULD MEAN LATER THIS MORNING..BUT
THE THUNDERSTORMS WOULD SPREAD EASTWARD AS THE DAY PROGRESSES.
IF THE FRONT MOVES AS EXPECTED..THE THREAT OF SEVERE WEATHER WOULD
CONTINUE TO APPLY TO THE PLATEAU AND EAST TONIGHT.
THE PROBABILITY OF SEVERE WEATHER RAPIDILY DECLINES ONCE THE COLD FRONT
MOVES TO THE EAST OF ANY GIVEN AREA..BUT UNTIL THEN REMEMBER THAT THIS
IS A REAL THREAT. SEVERE WEATHER MEANS DAMAGING WINDS AND LARGE
HAIL..AND COULD BE LIFE THREATENING. THE TORRENTIAL RAINS THAT ARE
ASSOCIATED WITH SOME OF THE STRONGER STORMS COULD ALSO RESULT IN
LOCALLIZED FLOODING.
PLEASE MONITOR YOUR NOAA WEATHER RADIO OR COMMERCIAL RADIO AND
TELEVISION FOR ANY ADDITIONAL STATEMENTS OR WARNINGS.Special weather statement, Apr 15, 8:36 AM CDT, 52 minutes before
MSZ005-006-009-017-016-002-003-004-013-014-015-023-024-030-031- 033-151445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 836 AM CDT FRI APR 15 1994 .....TORNADO WATCH IN EFFECT FOR PORTIIONS OF NORTHEAST AND EAST-CENTRAL MISSISSIPPI UNTIL 3 PM CDT..... AT 830 AM CDT...NATIONAL WEATHER SERVICE RADAR AT TUPELO SHOWED SCATTERED VERY STRONG THUNDERSTORMS OVER EAST-CENTRAL MISSISSIPPI AND NORTHWEST ALABAMA MOVING TO THE NORTHEAST AT 35 MILES AN HOUR. THE STRONGEST THUNDERSTORMS IN EAST-CENTRAL MISSISSIPPI WERE LOCATED FROM NORTH OF COLUMBUS SOUTHWEST TO NEAR JACKSON. PERSONS IN EAST-CENTRAL MISSISSIPPI SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND TAKE NECESSARY ACTIONS IF A WARNING IS ISSUED. NNNN
Special weather statement, Apr 15, 8:59 AM CDT, 29 minutes before
TNZ001-002-019-048-049-088-MSZ001-007-010-ARZ009-018-028-035-036- 048-151500- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MEMPHIS TN 859 AM CDT FRI APR 15 1994 ...TORNADO WATCH NUMBER 90 IN EFFECT UNTIL NOON FOR NORTHEAST ARKANSAS ... NORTHWEST TENNESSEE AND THE MISSOURI BOOTHEEL... ...TORNADO WATCH NUMBER 91 CONTINUES FOR MOST OF MIDDLE TENNESSEE AND FOR PARTS OF ALABAMA AND MISSISSIPPI UNTIL 3 PM... AREAS OF THUNDERSTORMS WERE ACTIVE IN TWO DISTINCT LOCATIONS AT 850 AM ... ONE OVER NORTHERN ARKANSAS ... SOUTHERN MISSOURI ... AND INTO EXTREME NORTHWEST TENNESSEE. THE OTHER AREA OF STRONG THUNDERSTORMS WAS OVER CENTRAL AND EAST MISSISSIPPI AND PARTS OF ALABAMA. DOPPLER WEATHER RADAR INDICATED THE STRONGEST STORMS WERE OVER NORTHERN ARKANSAS NEAR BIGGERS IN SOUTHWEST CLAY COUNTY ... CLOSE TO IMBODEN NEAR THE LAWRENCE / RANDOLPH COUNTY LINE. THESE STORMS WERE MOVING TOWARD THE EAST AT NEARLY 40 MPH. HIGH WIND AND HAIL WERE INDICATED WITH THE STRONGEST STORMS. AN AREA OF HIGH WIND AND SHOWERS WAS SHOWN TO BE APPROACHING THE MISSISSIPPI RIVER THROUGH ST FRANCIS .. CROSS .. CRITTENDEN .. AND MISSISSIPPI COUNTIES OF NORTHEAST ARKANSAS. THESE AREA OF WIND AND SHOWERS WILL MOVE ACROSS THE RIVER INTO OBION .. LAKE .. DYER .. LAUDERDALE .. TIPTON .. AND SHELBY COUNTIES OF WEST TENNESSEE BY 930 AM. YOU NEED TO STAY ABREAST OF LOCAL WEATHER CONDITIONS DURING THIS MORNING/S DANGEROUS WEAlTHER SITUATION. STAY TUNED TO LOCAL RADIO/TV OR NOAA WEATHER RADIO AND LISTEN FOR LATER BULLETINS.
Special weather statement, Apr 15, 9:07 AM CDT, 21 minutes before
MSZ005-006-009-017-016-002-003-004-013-014-015-023-024-030-031- 033-151515- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUPELO MS 907 AM CDT FRI APR 15 1994 .....TORNADO WATCH NUMBER 91 IN EFFECT UNTIL 3 PM CDT FOR PARTS OF NORTHEAST AND EASTCENTRAL MISSISSIPPI..... AT 858 AM CDT...NATIONAL WEATHER SERVICE RADAR IN TUPELO CONTINUED TO SHOW SCATTERED STRONG THUNDERSTORMS OVER NORTHWEST ALABAMA AND EASTCENTRAL MISSISSIPPI MOVING TO THE NORTHEAST AT 35 MILE AN HOUR. THE STRONGEST THUNDERSTORMS IN EASTCENTRAL MISSISSIPPI WERE LOCATED OVER KEMPER..NESHOBA..NOXUBEE AND WINSTON COUNTIES. RESIDENTS OVER NORTH MISSISSIPPI SHOULD REMAIN ALERT TO THE WEATHER CONDITIONS TODAY AS MORE THUNDERSTORMS ARE EXPECTED TO DEVELOP WITH THE AFTERNOON HEATING AND ALSO MOVE IN FROM THE WEST WITH AN APPROACHING COLD FRONT. NNNN
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 1:23 PM CDT | Tornado Warning | MEG | St. Francis | 22 min |
| Apr 15, 1:27 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden | 33 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.