Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 430, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at May 22, 1999, 10:01 PM CDT for Montgomery County, Pike County, Polk County, Arkansas. It was in force for 49 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 22, 1999, 10:01 PM CDT (03:01 UTC)
- Expired
- May 22, 1999, 10:50 PM CDT
- In force
- 49 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
Counties Montgomery County, AR, Pike County, AR, Polk County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 22, 10:15 PM CDT | Thunderstorm Wind 52 | Grannis, AR | |
| May 22, 10:35 PM CDT | Thunderstorm Wind 50 | Murfreesboro, AR | |
| May 22, 10:40 PM CDT | Thunderstorm Wind 50 | Norman, AR | |
| May 22, 10:55 PM CDT | Thunderstorm Wind 50 | Delight, AR |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 22, 7:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| May 22, 9:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 3.0 hours before the alert went out and 213 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
- 1705 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1475 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -15 m²/s²
- Significant tornado parameter
- -0.1
- Supercell composite
- -0.8
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KLIT 230259 RRA SVRLIT ARC097-109-113-230350- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LITTLE ROCK AR 1001 PM CDT SAT MAY 22 1999 THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN POLK COUNTY IN WESTERN ARKANSAS MONTGOMERY COUNTY IN WESTERN ARKANSAS PIKE COUNTY IN SOUTHWESTERN ARKANSAS * UNTIL 1050 PM CDT * AT 956 PM CDT...A LINE OF STRONG TO SEVERE THUNDERSTORMS EXTENDED FROM NEAR MOUNT IDA TO 5 MILES SOUTH OF MENA...MOVING SOUTHEAST AT 35 MPH. THE MAIN THREAT IN THE WARNING AREA IS STRONG TO DAMAGING WINDS. SOME WIND DAMAGE MAY OCCUR...SUCH AS DOWNED TREES OR TREE LIMBS AND POWER LINES. THE STORMS MAY ALSO PRODUCE HAIL IN SOME AREAS. FOR YOUR PROTECTION...GO INDOORS UNTIL THE STORMS PASS. 46/49
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, May 22, 7:38 PM CDT, 2 hours 23 minutes before
ARZ012-021-022-030-037>043-050>054-230245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 738 PM CDT SAT MAY 22 1999 ...SEVERE THUNDERSTORM WATCH ISSUED FOR WESTERN ARKANSAS... A SEVERE THUNDERSTORM WATCH WILL BE IN EFFECT UNTIL 100 AM CDT FOR 21 COUNTIES IN WESTERN ARKANSAS. SEVERAL CLUSTERS OF THUNDERSTORMS WILL BE MOVING THROUGH WESTERN ARKANSAS OVER THE NEXT SEVERAL HOURS. THESE STORMS WILL BE MOVING INTO AN AREA WHERE THE AIR IS WARM...MOIST...AND QUITE UNSTABLE. AS A RESULT...SOME OF THE THUNDERSTORMS ARE EXPECTED TO BE SEVERE. THE MAJOR THREAT FROM THE STORMS WILL BE LARGE HAIL...BUT A FEW OF THE STORMS WILL LIKELY PRODUCE DAMAGING WIND GUSTS AS WELL. THERE WILL BE NUMEROUS CLOUD-TO-GROUND LIGHTNING STRIKES...SO PEOPLE WHO HAVE ACTIVITIES PLANNED OUTDOORS THIS EVENING SHOULD BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY. MOVEMENT OF THE STORMS WILL BE RATHER SLOW...SO THIS RAISES THE THREAT OF LOCALLY HEAVY RAIN. RAINFALL RATES WILL LIKELY BE 1 TO 2 INCHES PER HOUR WHERE THE HEAVIEST RAIN OCCURS. THIS WILL BE SUFFICIENT TO CAUSE SOME FLOODING OF CITY STREETS AND COUNTY ROADS. 28
Local storm report, May 22, 8:44 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
844 PM CDT SAT MAY 22 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0730 PM DARDANELLE AR 1.75 INCH HAIL
05/22/99 YELL GOLFBALL SIZE HAIL.
0740 PM SARDIS AR 1 INCH HAIL
05/22/99 SALINE QUARTER SIZE HAIL.
0751 PM BOONEVILLE AR .88 INCH HAIL
05/22/99 LOGAN NICKEL SIZE HAIL.
0755 PM LONDON AR 1.75 INCH HAIL
05/22/99 POPE GOLFBALL SIZE HAIL.
28Local storm report, May 22, 8:44 PM CDT, 1 hour 17 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
844 PM CDT SAT MAY 22 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0730 PM DARDANELLE AR 1.75 INCH HAIL
05/22/99 YELL GOLFBALL SIZE HAIL.
0740 PM SARDIS AR 1 INCH HAIL
05/22/99 SALINE QUARTER SIZE HAIL.
0751 PM BOONEVILLE AR .88 INCH HAIL
05/22/99 LOGAN NICKEL SIZE HAIL.
0755 PM LONDON AR 1.75 INCH HAIL
05/22/99 POPE GOLFBALL SIZE HAIL.
28Local storm report, May 22, 9:38 PM CDT, 23 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
938 PM CDT SAT MAY 22 1999
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0902 PM HOLLIS AR .75 INCH HAIL
05/22/99 PERRY
0910 PM WALDRON AR WIND DAMAGE
05/22/99 SCOTT TREES DOWN.
28Special weather statement, May 22, 9:44 PM CDT, 17 minutes before
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
Special weather statement, May 22, 9:44 PM CDT, 17 minutes before
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
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:07 PM CDT | Severe Thunderstorm Warning | LZK | Scott | 33 min |
| May 22, 7:10 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan | 50 min |
| May 22, 7:14 PM CDT | Severe Thunderstorm Warning | LZK | Yell | 36 min |
| May 22, 7:21 PM CDT | Severe Thunderstorm Warning | LZK | Cleveland | 34 min |
| May 22, 7:35 PM CDT | Severe Thunderstorm Warning | LZK | Saline | 35 min |
| May 22, 7:45 PM CDT | Severe Thunderstorm Warning | LZK | Pope, Yell | 50 min |
| May 22, 8:00 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 50 min |
| May 22, 8:16 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Perry | 49 min |
| May 22, 8:46 PM CDT | Severe Thunderstorm Warning | LZK | Yell | 49 min |
| May 22, 8:53 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 47 min |
| May 22, 8:56 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner | 49 min |
| May 22, 9:06 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 34 min |
| May 22, 9:13 PM CDT | Severe Thunderstorm Warning | LZK | Montgomery, Polk | 47 min |
| May 22, 9:30 PM CDT | Severe Thunderstorm Warning | LZK | Garland | 35 min |
| May 22, 9:40 PM CDT | Severe Thunderstorm Warning | LZK | White | 50 min |
| May 22, 9:44 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 46 min |
| May 22, 9:56 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 34 min |
| May 22, 10:15 PM CDT | Severe Thunderstorm Warning | LZK | Hot Spring | 45 min |
| May 22, 10:29 PM CDT | Severe Thunderstorm Warning | LZK | Clark | 51 min |
| May 22, 10:33 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Pulaski | 47 min |
| May 22, 10:33 PM CDT | Severe Thunderstorm Warning | LZK | Prairie | 47 min |
| May 22, 10:51 PM CDT | Flash Flood Warning | LZK | Bradley, Cleveland, Dallas, Drew | 2 hr |
| May 22, 10:51 PM CDT | Flash Flood Warning | LZK | Hot Spring | 2 hr |
| May 22, 10:53 PM CDT | Severe Thunderstorm Warning | LZK | Pike | 32 min |
| May 22, 11:17 PM CDT | Severe Thunderstorm Warning | LZK | Clark, Dallas, Ouachita | 53 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1999Every severe thunderstorm warning in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.