Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 252, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Apr 24, 1999, 10:16 AM CDT for Logan County, Arkansas. It was in force for 64 min. 1 report 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
- Apr 24, 1999, 10:16 AM CDT (15:16 UTC)
- Expired
- Apr 24, 1999, 11:20 AM CDT
- In force
- 64 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
County Logan County, AR
The radar
The Western Arkansas radar (KSRX), 59 km from the middle of the area, began a volume at 15:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 24, 11:00 AM CDT | Hail 0.75 | Magazine, 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 nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 3.3 hours before the alert went out and 188 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 515 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 273 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KLIT 241516 RRA SVRLIT ARC083-241620- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LITTLE ROCK AR 1016 AM CDT SAT APR 24 1999 THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LOGAN COUNTY IN WESTERN ARKANSAS * UNTIL 1120 AM CDT * AT 1015 AM CDT... DOPPLER WEATHER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHWEST OF BOONEVILLE OR 4 MILES SOUTHWEST OF CHISMVILLE... MOVING EAST AT 10 MPH. * LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE... CHISMVILLE AROUND 1030 AM CDT... BOONEVILLE AROUND 1035 AM CDT... MAGAZINE AROUND 1110 AM CDT... SUGAR GROVE AROUND 1115 AM CDT... DRIGGS AROUND 1120 AM CDT... THE MAIN THREAT WITH THIS STORM IS DIME SIZE HAIL OR LARGER. THE HAIL MAY CAUSE SOME VEHICLE OR ROOF DAMAGE. STRONG AND GUSTY WINDS CAN ALSO BE EXPECTED WITH THE STORM. FOR YOUR PROTECTION...GO INDOORS UNTIL THE STORM PASSES. 22
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 8:00 AM CDT | Severe Thunderstorm Warning | LZK | Monroe | 35 min |
| Apr 24, 9:07 AM CDT | Severe Thunderstorm Warning | LZK | Logan | 48 min |
| Apr 24, 10:21 AM CDT | Severe Thunderstorm Warning | LZK | Scott | 64 min |
| Apr 24, 11:01 AM CDT | Flash Flood Warning | LZK | Scott | 119 min |
| Apr 24, 11:09 AM CDT | Flash Flood Warning | LZK | Monroe | 3 hr |
| Apr 24, 11:15 AM CDT | Severe Thunderstorm Warning | LZK | Yell | 65 min |
| Apr 24, 11:26 AM CDT | Severe Thunderstorm Warning | LZK | Montgomery | 64 min |
| Apr 24, 11:38 AM CDT | Flash Flood Warning | LZK | Lonoke | 3 hr |
| Apr 24, 11:59 AM CDT | Severe Thunderstorm Warning | LZK | Perry, Saline | 51 min |
| Apr 24, 12:53 PM CDT | Tornado Warning | LZK | Pike | 47 min |
| Apr 24, 2:02 PM CDT | Severe Thunderstorm Warning | LZK | Grant | 48 min |
| Apr 24, 2:23 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 62 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; radar from the NEXRAD Level II archive.