Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 85, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Feb 26, 1998, 2:28 AM CST for Columbia County, Nevada County, Arkansas. It was in force for 62 min. 2 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
- Feb 26, 1998, 2:28 AM CST (08:28 UTC)
- Expired
- Feb 26, 1998, 3:30 AM CST
- In force
- 62 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Columbia County, AR, Nevada County, AR
The radar
The Shreveport radar (KSHV), 122 km from the middle of the area, began a volume at 08:27 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 |
|---|---|---|---|
| Feb 26, 2:45 AM CST | Thunderstorm Wind 60 | Waterloo, AR | |
| Feb 26, 2:55 AM CST | Thunderstorm Wind 60 | Magnolia, 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 |
|---|---|---|---|
| Feb 26, 2:15 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 8.5 hours before the alert went out and 116 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
- 1 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1619 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 145 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.
NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 25, 9:05 PM CST, 5 hours 23 minutes earlier.
Area forecast discussion, Feb 25, 9:05 PM CST, 5 hours 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SHREVEPORT LA 905 PM CST WED FEB 25 1998 WINDS ARE IN THE PROCESS OF DROPPING OFF AND THIS SHOULD ALLOW GOOD RADIATIONAL COOLING WITH THE DRY AIR OVER THE REGION TONIGHT...MAY NEED TO LOWER TEMPS A TAD ACROSS NORTH LA AND PORTIONS OF SOUTH AR. MORNING GRIDDED DATA INDICATES THAT A MID CLOUD DECK WILL BEGIN SPREADING ACROSS THE REGION TOMORROW AFTERNOON AND EVENING...SO PROBABLY NEED TO CHANGE WORDING SOME FOR NORTH LA. IV
In the hours before
Local storm report, Feb 26, 1:13 AM CST, 1 hour 15 minutes before
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</html>Local storm report, Feb 26, 2:28 AM CST, 0 minutes before
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</html>The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 12:08 AM CST | Severe Thunderstorm Warning | SHV | Cherokee, Smith | 62 min |
| Feb 26, 12:18 AM CST | Severe Thunderstorm Warning | SHV | Camp, Morris, Titus | 62 min |
| Feb 26, 12:18 AM CST | Severe Thunderstorm Warning | SHV | Upshur, Wood | 62 min |
| Feb 26, 12:31 AM CST | Severe Thunderstorm Warning | SHV | Gregg | 49 min |
| Feb 26, 12:39 AM CST | Severe Thunderstorm Warning | SHV | Bowie, Cass | 96 min |
| Feb 26, 12:39 AM CST | Severe Thunderstorm Warning | SHV | Angelina, Nacogdoches | 96 min |
| Feb 26, 12:39 AM CST | Severe Thunderstorm Warning | SHV | Harrison, Rusk | 96 min |
| Feb 26, 12:39 AM CST | Severe Thunderstorm Warning | SHV | Marion | 96 min |
| Feb 26, 1:19 AM CST | Severe Thunderstorm Warning | SHV | Panola | 61 min |
| Feb 26, 1:31 AM CST | Severe Thunderstorm Warning | SHV | Shelby | 59 min |
| Feb 26, 1:50 AM CST | Severe Thunderstorm Warning | SHV | Sabine, San Augustine | 75 min |
| Feb 26, 1:45 AM CST | Severe Thunderstorm Warning | SHV | Caddo, De Soto | 95 min |
| Feb 26, 1:45 AM CST | Severe Thunderstorm Warning | SHV | Bossier | 95 min |
| Feb 26, 2:16 AM CST | Severe Thunderstorm Warning | SHV | Sabine | 64 min |
| Feb 26, 2:34 AM CST | Severe Thunderstorm Warning | SHV | Natchitoches, Red River | 61 min |
| Feb 26, 2:42 AM CST | Severe Thunderstorm Warning | SHV | Bienville, Claiborne, Webster | 93 min |
| Feb 26, 3:28 AM CST | Severe Thunderstorm Warning | SHV | Lincoln | 47 min |
| Feb 26, 3:33 AM CST | Severe Thunderstorm Warning | SHV | Winn | 62 min |
| Feb 26, 9:10 AM CST | Severe Thunderstorm Warning | SHV | LaSalle | 50 min |
| Feb 26, 1:26 AM CST | Severe Thunderstorm Warning | SHV | Miller | 64 min |
| Feb 26, 1:39 AM CST | Severe Thunderstorm Warning | SHV | Hempstead | 61 min |
| Feb 26, 1:58 AM CST | Severe Thunderstorm Warning | SHV | Lafayette | 62 min |
| Feb 26, 3:10 AM CST | Severe Thunderstorm Warning | SHV | Union | 65 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.