Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 392, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at Aug 2, 1998, 11:17 PM CDT for Benton County, Carroll County, Arkansas. It was in force for 43 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
- Aug 2, 1998, 11:17 PM CDT (04:17 UTC)
- Expired
- Aug 3, 1998, 12:00 AM CDT
- In force
- 43 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Benton County, AR, Carroll County, AR
The radar
The Springfield radar (KSGF), 109 km from the middle of the area, began a volume at 04:19 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 |
|---|---|---|---|
| Aug 2, 11:20 PM CDT | Thunderstorm Wind | Garfield, AR | Several large tree were blown down, and one large tree was blown onto a roadway, blocking traffic |
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, 4.3 hours before the alert went out and 63 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
- 130 J/kg
- Mixed-layer CIN
- -210 J/kg
- Mixed-layer LCL
- 1911 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUL 030417 RRA SVRTUL ARC007-015-030500- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TULSA OK 1117 PM CDT SUN AUG 2 1998 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTHEASTERN BENTON COUNTY IN NORTHWESTERN ARKANSAS NORTHERN CARROLL COUNTY IN NORTHWESTERN ARKANSAS * UNTIL 1200 AM CDT * AT 1115 PM...RADAR DETECTED A SEVERE THUNDERSTORM NEAR GATEWAY... MOVING EAST AT 15 MPH. * SOME LOCATIONS AFFECTED INCLUDE... GATEWAY OAK HILL BEAVER HOLIDAY ISLAND HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 70 MPH CAN BE EXPECTED IN THE WARNED AREA. BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
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 Aug 2, 9:23 PM CDT, 1 hour 54 minutes earlier.
Area forecast discussion, Aug 2, 9:23 PM CDT, 1 hour 54 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 923 PM CDT SUN AUG 2 1998 BAND OF MID/HI LEVEL MOISTURE EXTENDS FROM NRN MO ACRS SE KS INTO NE OK TO TX PH. MOISTURE MAY BE SUBTROPICAL AS IT EXTENDS WELL BACK INTO CONVECTION IN SE AZ. LLVL AIRMASS IS FAIRLY DRY SO DON'T EXPECT ANY SIG DEVELOPMENT OVERNIGHT...BUT SUBTROP MID LVL MOISTURE MAY BE UNSETTLED ENOUGH ALONG WITH LEFT OVER OUTFLOW BOUNDARIES TO KEEP CHC FOR PCP IN NRN ZNS OVERNIGHT. CONVECTION NEAR MO BORDER IS BEING SLOW TO GO AWAY AND HAS BEEN INCREASING SOME THE LAST FEW MINUTES. ISOLD SHOWERS ALSO POPPING UP IN OSAGE COUNTY. UPDATED ZNS WITH CHC/SLGT CHC POPS IN NRN ZNS AND LEFT SRN AREASR DRY. REWORDED WINDS SOME OVERNIGHT WITH NO OTHER CHANGES. /13 .TUL... OK...NONE. AR...NONE.
In the hours before
Local storm report, Aug 2, 6:02 PM CDT, 5 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
602 PM CDT SUN AUG 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0524 PM HUNTINGTON AR WIND DAMAGE
08/02/98 SEBASTIAN SHERIFFS OFFICE REPORTED
TREES BLOWN DOWNLocal storm report, Aug 2, 11:05 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
1105 PM CDT SUN AUG 02 1998
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1054 PM PEA RIDGE AR WIND DAMAGE
08/02/98 BENTON TREES AND POWER LINES
BLOWN DOWN NEAR PEA RIDGE
REPORTED BY SHERIFFS
OFFICEThe office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 10:25 PM CDT | Severe Thunderstorm Warning | TSA | Benton | 35 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.