Alert archive / Arkansas / Tornado Warnings in 1990
Tornado Warning 6, NWS Little Rock, AR
NWS Little Rock, AR issued this tornado warning at May 21, 1990, 1:24 AM CDT for Montgomery County, Arkansas. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- May 21, 1990, 1:24 AM CDT (06:24 UTC)
- Expired
- May 21, 1990, 2:30 AM CDT
- In force
- 66 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
County Montgomery County, AR
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 00:00Z, 6.4 hours before the alert went out and 259 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
- 2312 J/kg
- Mixed-layer CIN
- -235 J/kg
- Mixed-layer LCL
- 1408 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 201 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLIT 210625 TORLIT ARC097-210730- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LITTLE ROCK AR 124 AM CDT MON MAY 21 1990 THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 230 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN WEST ARKANSAS ...MONTGOMERY COUNTY AT 122 AM CDT...RADAR INDICATED A POSSIBLE TORNADO 15 MILES SOUTHWEST OF MT. IDA ARKANSAS...MOVING TO THE EAST AT 30 MPH. IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS. 28
What forecasters said that day
The local office's own words before this tornado 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 20, 10:38 PM CDT, 2 hours 46 minutes before
OKZ020-013-ARZ004-007-210445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT SMITH AR 1037 PM CDT SUN MAY 20 1990 ...THUNDERSTORMS HAVE RAPIDLY DEVELOPED OVER EAST CENTRAL AND SOUTHEAST OKLAHOMA... AT 1030 PM WEATHER SERVICE RADAR INDICATED A BROKEN LINE OF THUNDERSTORMS FROM 5 MILES NORTH OF TALIHINA OKLAHOMA TO NORTHWEST PUSHMATAHA COUNTY OKLAHOMA. THESE STORMS ARE MOVING EAST AT 25 MPH. THE STRONGEST STORM WAS 5 SOUTHEAST OF CLAYTON OKLAHOMA. THE STRONGER THUNDERSTORMS WILL PRODUCE BRIEF HEAVY RAIN...SMALL HAIL AND DANGEROUS LIGHTNING. PEOPLE IN EAST OKLAHOMA AND WEST ARKANSAS SHOULD STAY ABREAST OF THE LATEST WEATHER INFORMATION AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 20, 11:12 PM CDT, 2 hours 12 minutes before
ARZ001>011-015-210600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1112 PM CDT SUN MAY 20 1990 ...SEVERE THUNDERSTORM WATCH FOR MOST OF CENTRAL AND WESTERN ARKANSAS... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF CENTRAL AND WESTERN ARKANSAS. THIS WATCH COVERS 47 COUNTIES AND WILL BE IN EFFECT UNTIL 400 AM MONDAY MORNING. SINCE 1000 PM...THUNDERSTORMS HAVE BEGUN TO DEVELOP RAPIDLY FROM CENTRAL PORTIONS OF ARKANSAS THROUGH THE WESTERN PART OF THE STATE INTO EASTERN OKLAHOMA. THE AIR OVER ARKANSAS IS VERY MOIST AND UNSTABLE. AN AREA OF LOW PRESSURE ALOFT IS APPROACHING FROM THE WEST AND HAS HELPED THE THUNDERSTORMS TO DEVELOP QUICKLY. THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS AND INCREASE IN INTENSITY THE NEXT COUPLE OF HOURS. 28
Special weather statement, May 21, 12:10 AM CDT, 1 hour 14 minutes before
ARZ001>011-015-210700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1209 AM CDT MON MAY 21 1990 ...THUNDERSTORMS CONTINUE TO DEVELOP IN ARKANSAS... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 400 AM CDT FOR MOST OF CENTRAL AND WESTERN ARKANSAS. AT MIDNIGHT...THUNDERSTORMS WERE OCCURRING OVER SEVERAL PARTS OF THE STATE. MOST OF THESE STORMS DEVELOPED DURING THE PAST COUPLE OF HOURS. A LARGE AREA OF THUNDERSTORMS WAS LOCATED ALONG THE ARKANSAS-MISSOURI BORDER FROM NEAR GRAVETTE EASTWARD TO BULL SHOALS LAKE. THE STRONGEST STORM IN ARKANSAS WAS NEAR OMAHA...BUT STRONGER STORMS WERE JUST NORTH OF THE BORDER IN MISSOURI. IN NORTHEAST ARKANSAS...THUNDERSTORMS HAD DEVELOPED RAPIDLY FROM MAMMOTH SPRING TO WALNUT RIDGE. IN THE CENTRAL PART OF THE STATE...THUNDERSTORMS WERE OCCURRING FROM LITTLE ROCK TO 10 MILES NORTH OF PINE BLUFF...AND FROM BENTON ACROSS THE LITTLE ROCK AREA TO BEEBE. SCATTERED THUNDERSTOARMS WERE ALSO OCCURRING FROM TEXARKANA TO 15 MILES SOUTH OF SHERIDAN. FINALLY...THUNDERSTORMS WERE MOVING FROM EASTERN OKLAHOMA INTO SCOTT AND POLK COUNTIES IN WESTERN ARKANSAS. 28
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 12:32 AM CDT | Severe Thunderstorm Warning | LZK | Randolph | 43 min |
| May 21, 1:11 AM CDT | Severe Thunderstorm Warning | LZK | Montgomery | 59 min |
| May 21, 2:22 AM CDT | Severe Thunderstorm Warning | LZK | Garland, Hot Spring | 38 min |
| May 21, 2:29 AM CDT | Severe Thunderstorm Warning | LZK | Saline | 61 min |
| May 21, 2:44 AM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 61 min |
| May 21, 2:52 AM CDT | Severe Thunderstorm Warning | LZK | Grant | 53 min |
| May 21, 3:52 AM CDT | Severe Thunderstorm Warning | LZK | Newton | 38 min |
| May 21, 5:27 AM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 63 min |
| May 21, 5:37 AM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 68 min |
| May 21, 6:18 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 42 min |
| May 21, 6:21 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 69 min |
| May 21, 6:32 AM CDT | Severe Thunderstorm Warning | LZK | Cleveland, Lincoln | 58 min |
| May 21, 7:03 AM CDT | Severe Thunderstorm Warning | LZK | Desha, Drew | 42 min |
| May 21, 8:50 AM CDT | Severe Thunderstorm Warning | LZK | Union | 40 min |
Nearby
Tornado Warnings in Arkansas, 1990Every tornado warning in 1990Tornadoes in 1990
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.