Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 99, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Apr 7, 1998, 1:25 AM CDT for Pope County, Arkansas. It was in force for 50 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 7, 1998, 1:25 AM CDT (06:25 UTC)
- Expired
- Apr 7, 1998, 2:15 AM CDT
- In force
- 50 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties
County Pope County, AR
The radar
The Little Rock radar (KLZK), 98 km from the middle of the area, began a volume at 06:29 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 7, 1:35 AM CDT | Hail 0.75 | Appleton, 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 |
|---|---|---|---|
| Apr 7, 12:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.4 hours before the alert went out and 175 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
- 2213 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 133 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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 6, 10:14 PM CDT, 3 hours 11 minutes before
ARZ037-040-070715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1014 PM CDT MON APR 6 1998 ...SEVERE THUNDERSTORM WATCH UNTIL 4 AM CDT FOR SMALL PART OF WEST ARKANSAS... A LINE OF STRONG THUNDERSTORMS WILL MOVE INTO WEST AND NORTHWEST ARKANSAS DURING THE NEXT FEW HOURS. SOME OF THESE ARE CAPABLE OF PRODUCING STRONG WINDS AND SOME HAIL. SOME OF THE COUNTIES INCLUDED IN ARKANSAS ARE POLK AND SCOTT. THE AREA OF DISTURBED WEATHER WILL QUICKLY MOVE OUT OF ARKANSAS LATER TONIGHT AND EARLY TUESDAY. 16
Special weather statement, Apr 7, 12:27 AM CDT, 58 minutes before
ARZ003>007-012>016-021>024-030>033-038-039-041>046-054>056-070930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1227 AM CDT TUE APR 7 1998 ...SEVERE THUNDERSTORM WATCH IN CENTRAL...WEST AND NORTH ARKANSAS UNTIL 6AM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 AM CDT FOR MUCH OF CENTRAL...WEST AND NORTH ARKANSAS. A LINE OF STRONG THUNDERSTORMS WILL MOVE THROUGH THE AFFECTED AREA...SOME OF WHICH COULD CONTAIN STRONG AND DAMAGING WINDS AND HAIL. THE STORMY WEATHER WILL DECREASE LATER TONIGHT. 16
Special weather statement, Apr 7, 12:27 AM CDT, 58 minutes before
ARZ003>007-012>016-021>024-030>033-038-039-041>046-054>056-070930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 1227 AM CDT TUE APR 7 1998 ...SEVERE THUNDERSTORM WATCH IN CENTRAL...WEST AND NORTH ARKANSAS UNTIL 6AM... A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 6 AM CDT FOR MUCH OF CENTRAL...WEST AND NORTH ARKANSAS. A LINE OF STRONG THUNDERSTORMS WILL MOVE THROUGH THE AFFECTED AREA...SOME OF WHICH COULD CONTAIN STRONG AND DAMAGING WINDS AND HAIL. THE STORMY WEATHER WILL DECREASE LATER TONIGHT. 16
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 7, 12:35 AM CDT | Severe Thunderstorm Warning | LZK | Johnson | 60 min |
| Apr 7, 1:27 AM CDT | Severe Thunderstorm Warning | LZK | Scott | 63 min |
| Apr 7, 1:36 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Van Buren | 64 min |
| Apr 7, 2:07 AM CDT | Tornado Warning | LZK | Van Buren | 33 min |
| Apr 7, 2:22 AM CDT | Severe Thunderstorm Warning | LZK | Yell | 33 min |
| Apr 7, 2:31 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne | 64 min |
| Apr 7, 2:34 AM CDT | Severe Thunderstorm Warning | LZK | Faulkner | 31 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning in 1998
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.