Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 69, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Mar 29, 1997, 11:24 PM CST for Crawford County, Sebastian County, Arkansas. It was in force for 66 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
- Mar 29, 1997, 11:24 PM CST (05:24 UTC)
- Expired
- Mar 30, 1997, 12:30 AM CST
- In force
- 66 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Crawford County, AR, Sebastian County, AR
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 30, 12:10 AM CST | Hail 0.75 | Dyer, AR | Severe thunderstorms moved across northwest Arkansas during the late evening of March 29th and very early morning of March 30th. Strong thunderstorm winds caused roof damage to some buildings and downed large tree limbs at Devils Den State Park 6 miles southea |
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 00:00Z, 5.4 hours before the alert went out and 172 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
- 2116 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 243 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 300526 RRA SVRTUL ARC033-143-131-300630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1124 PM CST SAT MAR 29 1997 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHWEST ARKANSAS ...CRAWFORD COUNTY...WASHINGTON COUNTY IN WEST CENTRAL ARKANSAS ...SEBASTIAN COUNTY AT 11:24 PM RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS FROM STILWELL TO GANS TO KEOTA MOVING EAST AT 40 MPH. THESE STORMS HAVE PRODUCED DAMAGING WINDS IN GORE WITH TREES AND POWERLINES BEING SNAPPED. FORT SMITH...VAN BUREN...NATURAL DAM...CEDARVILLE...LINCOLN AND FAYETTEVILLE ARE IN THE PATH OF THIS LINE OF STORMS. DAMAGING WINDS WITH GUSTS UP TO 70 MPH WILL OCCUR WITH THIS LINE OF THUNDERSTORMS. IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR HOME. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. IF YOU ARE IN A MOBILE HOME YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY. &
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 Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 29, 9:00 PM CST, 2 hours 24 minutes earlier.
Area forecast discussion, Mar 29, 9:00 PM CST, 2 hours 24 minutes before
FPUS3 KTUL 300257 COR AFDTUL EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 900 PM CST SAT MAR 29 1997 DID A QUICK UPDATED TO SIMPLIFY SKY CONDITION...ADJUST POPS A BIT AND ADD THE MENTION OF THUNDER TO PLACES THAT DID NOT HAVE IT ALREADY. .TUL... OK...NONE. AR...NONE. ABBAS
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 11:24 PM CST | Severe Thunderstorm Warning | TSA | Washington | 66 min |
| Mar 29, 11:47 PM CST | Tornado Warning | TSA | Crawford | 58 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1997Every severe thunderstorm warning in 1997
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.