Alert archive / Arkansas / Tornado Warnings in 1990
Tornado Warning 11, NWS Little Rock, AR
NWS Little Rock, AR issued this tornado warning at Jun 21, 1990, 10:19 PM CDT for Conway County, Perry County, Arkansas. It was in force for 41 min.
The area
The counties it named.
The facts
- Issued
- Jun 21, 1990, 10:19 PM CDT (03:19 UTC)
- Expired
- Jun 21, 1990, 11:00 PM CDT
- In force
- 41 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
Counties Conway County, AR, Perry 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
Springfield, MO (KUMN), launched 00:00Z, 3.3 hours before the alert went out and 218 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
- 90 J/kg
- Mixed-layer CIN
- -229 J/kg
- Mixed-layer LCL
- 1597 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 270 m²/s²
- 0-3 km storm-relative helicity
- 329 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
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 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, Jun 21, 5:11 PM CDT, 5 hours 8 minutes before
OKZ-013-020-ARZ-001-004 212315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT SMITH AR 508 PM CDT THU JUN 21 1990 ...TORNADO WATCH NUMBER 518 IN EFFECT UNTIL 1000 PM FOR NORTHWEST...WEST CENTRAL ARKANSAS...NORTHEAST OKLAHOMA AND SOUTHWEST MISSOURI. AT 505 PM CDT FORT SMITH RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHEAST OKLAHOMA IN SOUTHEAST CRAIG COUNTY MOVING EAST NORTHEAST AT 25 MPH. ELSEWHERE THUNDERSTORMS CONTINUE OVER EASTERN KANSAS AND WESTERN MISSOURI. ...DANGEROUS LIGHTNING...LARGE HAIL...GUSTY WINDS IN EXCESS OF 60 MPH AND VERY HEAVY RAINFALL CAN BE EXPECTED WITH THESE STORMS PASSAGE IN NORTHEAST OKLAHOMA. STAY TUNED TO NOAA WEATHER RADIO AND YOUR LOCAL RADIO/TV STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS AS THESE STORMS MOVE INTO BENTON COUNTY IN NORTHWEST ARKANSAS.
Special weather statement, Jun 21, 5:16 PM CDT, 5 hours 3 minutes before
ARZ001-002-004-005-007-220015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 514 PM CDT THU JUN 21 1990 ...A TORNADO WATCH COVERS NORTHWEST ARKANSAS UNTIL 1000 PM CDT... A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF NORTHWEST ARKANSAS UNTIL 1000 PM CDT THIS THURSDAY EVENING. STRONG THUNDERSTORMS OVER NORTH CENTRAL AND NORTHEAST OKLAHOMA ARE EXPECTED TO INTENSIFY AND DEVELOP SOUTHEAST INTO NORTHWEST ARKANSAS DURING THE EVENING HOURS. AT 510 PM CDT...THERE WERE NO THUNDERSTORMS OVER NORTHWEST ARKANSAS...HOWEVER SOME VERY STRONG STORMS WERE OVER NORTHEAST OKLAHOMAND MOVING EAST AT 25 MILES AN HOUR. TORNADOES CAN AND OFTEN FORM VERY QUICKLY...WITH LITTLE OR NO ADVANCE WARNING. KEEP ALERT TO DEVELOPING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF YOU FEEL THREATENED. A BASEMENT OFFERS THE BEST PROTECTION...BUT IF NOT AVAILABLE...MOVE TO THE LOWEST LEVEL AND TO THE CENTER OF YOUR HOME OR PLACE OF WORK. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EXTREME NORTHWEST ARKANSAS. HEAVY RAINS FROM THUNDERSTORMS CAN QUICKLY CAUSE SMALL STREAMS AND EVEN CITY STREETS TO BECOME RAGING RIVERS. NEVER ATTEMPT TO CROSS A FLOODED STREAM OR ROAD IN A VEHICLE OR ON FOOT. 42
Special weather statement, Jun 21, 5:20 PM CDT, 4 hours 59 minutes before
ARZ001-002-004-005-007-220015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 514 PM CDT THU JUN 21 1990 ...A TORNADO WATCH COVERS NORTHWEST ARKANSAS UNTIL 1000 PM CDT... A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF NORTHWEST ARKANSAS UNTIL 1000 PM CDT THIS THURSDAY EVENING. STRONG THUNDERSTORMS OVER NORTH CENTRAL AND NORTHEAST OKLAHOMA ARE EXPECTED TO INTENSIFY AND DEVELOP SOUTHEAST INTO NORTHWEST ARKANSAS DURING THE EVENING HOURS. AT 510 PM CDT...THERE WERE NO THUNDERSTORMS OVER NORTHWEST ARKANSAS...HOWEVER SOME VERY STRONG STORMS WERE OVER NORTHEAST OKLAHOMA AND MOVING EAST AT 25 MILES AN HOUR. TORNADOES CAN AND OFTEN FORM VERY QUICKLY...WITH LITTLE OR NO ADVANCE WARNING. KEEP ALERT TO DEVELOPING WEATHER CONDITIONS AND BE PREPARED TO MOVE TO A PLACE OF SAFETY IF YOU FEEL THREATENED. A BASEMENT OFFERS THE BEST PROTECTION...BUT IF NOT AVAILABLE...MOVE TO THE LOWEST LEVEL AND TO THE CENTER OF YOUR HOME OR PLACE OF WORK. A FLASH FLOOD WATCH REMAINS IN EFFECT FOR EXTREME NORTHWEST ARKANSAS. HEAVY RAINS FROM THUNDERSTORMS CAN QUICKLY CAUSE SMALL STREAMS AND EVEN CITY STREETS TO BECOME RAGING RIVERS. NEVER ATTEMPT TO CROSS A FLOODED STREAM OR ROAD IN A VEHICLE OR ON FOOT. 42
Special weather statement, Jun 21, 6:24 PM CDT, 3 hours 55 minutes before
OKZ020-013-ARZ001-004-007-220030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT SMITH AR 623 PM CDT THU JUN 21 1990 ...TORNADO WATCH NUMBER 518 REMAINS IN EFFECT FOR MOST OF EASTERN OKLAHOMA AND NORTH WESTERN ARKANSAS UNTIL 10 PM CDT... AT 625 PM CDT THE FORT SMITH RADAR AND OTHER NATIONAL WEATHER SERVICE RADARS INDICATED SHOWERS AND THUNDERSTORMS ACROSS MOST OF SOUTHEAST KANSAS...SOUTHWEST MISSOURI AND NORTHEAST OKLAHOMA MOVING TO THE EAST AT 20 MPH. MANY OF THE THUNDERSTORMS IN NORTHEAST OKLAHOMA AND SOUTHWEST MISSOURI ARE SEVERE AND WARNINGS HAVE BEEN ISSUED FOR MANY COUNTIES IN THESE AREAS. SOME OF THE THUNDERSTORMS IN NORTHEAST OKLAHOMA WILL MOVE ACROSS PARTS OF NORTHWEST ARKANSAS OVER THE NEXT FEW HOURS. HEAVY RAIN...HIGH WINDS...SOME HAIL...AND DANGEROUS CLOUD TO GROUND LIGHTNING CAN BE EXPECTED WITH THE THUNDERSTORMS AS THE MOVE ACROSS THE AREA THIS THURSDAY EVENING.
Special weather statement, Jun 21, 6:37 PM CDT, 3 hours 42 minutes before
ARZ016-220030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 636 PM CDT THU JUN 21 1990 ...STRONG THUNDERSTORM WITH VERY HEAVY RAIN IN CHICOT COUNTY... AT 633 PM CDT...RADAR SHOWED A STRONG THUNDERSTORM PRODUCING VERY HEAVY RAIN IN NORTHERN CHICOT COUNTY. THIS WAS A RATHER LARGE STORM...EXTENDING FROM 15 MILES NORTH OF LAKE VILLAGE TO 5 MILES NORTHWEST OF LAKE VILLAGE. RADAR SHOWED VERY LITTLE MOVEMENT...SO THIS THUNDERSTORM WILL BE PRODUCING VERY HEAVY RAINFALL ACROSS NORTHERN CHICOT COUNTY. SOME FLOODING OF ROADS IS LIKELY. THERE IS ALSO A POSSIBILITY OF SOME SMALL HAIL. 28
Special weather statement, Jun 21, 9:21 PM CDT, 58 minutes before
OKZ020-013-ARZ001-004-007-220315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT SMITH AR 918 PM CDT THU JUN 21 1990 ...TORNADO WATCH NUMBER 518 FOR PORTIONS OF NORTHWEST ARKANSAS AND NORTHEAST OKLAHOMA REMAINS IN EFFECT UNTIL 10 PM CDT THIS THURSDAY EVENING... AT 910 PM CDT FT SMITH RADAR SHOWED A LINE OF VERY STRONG THUNDERSTORMS FROM 40 MILES NORTH NORTHEAST OF TULSA OKLAHOMA TO 50 MILES WEST OF MCALESTER OKLAHOMA. MOVEMENT WAS EAST AT 40 MILES AN HOUR. VERY HEAVY RAIN STRONG GUSTY WINDS AND DANGEROUS LIGHTNING HAS BEEN REPORTED WITH THISLINE OF STRONG THUNDERSTORMS. ELSEWHERE A CLUSTER OF STRONG THUNDERSTORMS WERE SHOWN 25 MILES SOUTHEAST OF HARRISON ARKANSAS. MOVEMENT/ WAS EAST AT 30 MILES AN HOUR.
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:08 PM CDT | Severe Thunderstorm Warning | LZK | Carroll | 52 min |
| Jun 21, 7:49 PM CDT | Tornado Warning | LZK | Boone | 56 min |
| Jun 21, 8:04 PM CDT | Severe Thunderstorm Warning | LZK | Newton | 56 min |
| Jun 21, 8:21 PM CDT | Severe Thunderstorm Warning | LZK | Marion | 54 min |
| Jun 21, 8:41 PM CDT | Severe Thunderstorm Warning | LZK | Searcy | 64 min |
| Jun 21, 8:45 PM CDT | Severe Thunderstorm Warning | LZK | Baxter | 60 min |
| Jun 21, 8:57 PM CDT | Severe Thunderstorm Warning | LZK | Newton | 33 min |
| Jun 21, 9:13 PM CDT | Severe Thunderstorm Warning | LZK | Izard, Stone | 62 min |
| Jun 21, 9:13 PM CDT | Severe Thunderstorm Warning | LZK | Fulton | 62 min |
| Jun 21, 9:35 PM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 55 min |
| Jun 21, 9:45 PM CDT | Severe Thunderstorm Warning | LZK | Jackson | 30 min |
| Jun 21, 9:51 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner | 54 min |
| Jun 21, 9:58 PM CDT | Severe Thunderstorm Warning | LZK | Sharp | 47 min |
| Jun 21, 9:59 PM CDT | Severe Thunderstorm Warning | LZK | Conway | 61 min |
| Jun 21, 10:35 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Van Buren | 55 min |
| Jun 21, 10:39 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner | 51 min |
| Jun 21, 10:42 PM CDT | Severe Thunderstorm Warning | LZK | Carroll | 63 min |
| Jun 21, 10:50 PM CDT | Severe Thunderstorm Warning | LZK | White | 55 min |
| Jun 21, 10:56 PM CDT | Severe Thunderstorm Warning | LZK | Conway | 49 min |
| Jun 21, 10:56 PM CDT | Severe Thunderstorm Warning | LZK | Jackson | 64 min |
| Jun 21, 11:02 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 43 min |
| Jun 21, 11:29 PM CDT | Severe Thunderstorm Warning | LZK | Newton | 46 min |
| Jun 21, 11:41 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 49 min |
| Jun 21, 11:53 PM CDT | Severe Thunderstorm Warning | LZK | Prairie, White | 52 min |
| Jun 22, 12:27 AM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 33 min |
| Jun 22, 12:32 AM CDT | Severe Thunderstorm Warning | LZK | Monroe, Woodruff | 28 min |
| Jun 22, 1:11 AM CDT | Severe Thunderstorm Warning | LZK | Monroe | 34 min |
| Jun 22, 1:52 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 53 min |
| Jun 22, 1:57 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 33 min |
| Jun 22, 2:29 AM CDT | Severe Thunderstorm Warning | LZK | Calhoun | 46 min |
| Jun 22, 2:45 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas | 60 min |
| Jun 22, 3:02 AM CDT | Severe Thunderstorm Warning | LZK | Bradley | 58 min |
| Jun 22, 3:18 AM CDT | Severe Thunderstorm Warning | LZK | Calhoun | 42 min |
| Jun 22, 8:16 AM CDT | Severe Thunderstorm Warning | LZK | Saline | 59 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.