Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 118, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 8, 2002, 11:40 PM CDT for 4 counties in Arkansas; Adair County, Delaware County, Oklahoma. It was in force for 65 min. 6 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
- May 8, 2002, 11:40 PM CDT (04:40 UTC)
- Expired
- May 9, 2002, 12:45 AM CDT
- In force
- 65 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties
Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Delaware County, OK
The radar
The Western Arkansas radar (KSRX), 98 km from the middle of the area, began a volume at 04:44 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 |
|---|---|---|---|
| May 8, 11:40 PM CDT | Thunderstorm Wind 52 E | Pea Ridge, AR | Thunderstorm winds estimated at 60 miles an hour blew down power lines. |
| May 8, 11:48 PM CDT | Thunderstorm Wind 52 E | Colcord, OK | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs and a few power lines. |
| May 8, 11:59 PM CDT | Thunderstorm Wind 61 E | Beaver, AR | Thunderstorm winds estimated at 70 miles an hour blew down a tree. |
| May 9, 12:00 AM CDT | Thunderstorm Wind 52 E | Bentonville, AR | |
| May 9, 12:12 AM CDT | Thunderstorm Wind 57 E | Rogers, AR | Thunderstorm winds estimated at 65 miles an hour blew down a tree. |
| May 9, 12:45 AM CDT | Thunderstorm Wind 52 E | Fayetteville, AR | Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs. |
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 |
|---|---|---|---|
| May 8, 9:00 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 4.7 hours before the alert went out and 90 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
- 1675 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 811 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 285 m²/s²
- 0-3 km storm-relative helicity
- 375 m²/s²
- Significant tornado parameter
- 2.9
- Supercell composite
- 13.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KTSA 090440
SVRTUL
ARC007-015-087-143-OKC001-041-090545-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1139 PM CDT WED MAY 8 2002
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
ADAIR COUNTY IN NORTHEAST OKLAHOMA
DELAWARE COUNTY IN NORTHEAST OKLAHOMA
BENTON COUNTY IN NORTHWEST ARKANSAS
CARROLL COUNTY IN NORTHWEST ARKANSAS
MADISON COUNTY IN NORTHWEST ARKANSAS
WASHINGTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 1245 AM CDT
* AT 1139 PM CDT...DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS ALONG
A LINE EXTENDING FROM 30 MILES NORTH OF OAK GROVE TO 2 MILES EAST
OF PEA RIDGE TO 5 MILES NORTHEAST OF COLCORD...MOVING SOUTHEAST AT
45 MPH.
* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...OAK GROVE...
STILWELL...BARON...CHRISTIE...PROCTOR...WESTVILLE...WATTS...JAY...
TWIN OAKS...KANSAS...COLCORD...CLEORA...WEST SILOAM SPRINGS...
BENTONVILLE...SILOAM SPRINGS...ROGERS...LOWELL...GENTRY...
MAYSVILLE...GRAVETTE...PEA RIDGE...GATEWAY...SPRINGTOWN...
HIGHFILL...CAVE SPRINGS...WAR EAGLE...DECATUR...HIWASSE...BELLA
VISTA...GARFIELD...BERRYVILLE...EUREKA SPRINGS...GREEN FOREST...
RUDD...RULE...URBANETTE...GRANDVIEW...BEAVER...HUNTSVILLE...
AURORA...WESLEY...KINGSTON...HINDSVILLE...FORUM...WITTER...
JAPTON...MARBLE...CLIFTY...FAYETTEVILLE...SPRINGDALE...WINSLOW...
WEST FORK...LINCOLN...PRAIRIE GROVE...ELKINS...FARMINGTON...
BLACKBURN...STRICKLER...BRENTWOOD...GREENLAND...CINCINNATI AND
TONTITOWN.
WIND GUSTS TO 65 MPH CAN BE EXPECTED IN THE WARNED AREA. STAY INDOORS
AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
THIS IS A DANGEROUS STORM. IF YOU ARE NEAR ITS PATH YOU SHOULD
PREPARE FOR VERY LARGE HAIL AND STRONG DAMAGING STRAIGHT LINE WINDS.
TAKE COVER ON THE LOWEST FLOOR IN AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.
$$
MANNING
LAT...LON 3694 9319 3650 9401 3659 9501 3573 9476
3580 9397 3593 9350What 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 May 8, 9:15 PM CDT, 2 hours 25 minutes earlier.
Area forecast discussion, May 8, 9:15 PM CDT, 2 hours 25 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OKLAHOMA 915 PM CDT WED MAY 8 2002 RUNNING A BIT BEHIND WITH ONGOING WEATHER AND GFE PROBLEMS. SE KS CONVECTION HAS RACED OUT AHEAD OF COLD FRONT...WITH WELL-DEFINED OUTFLOW BOUNDARY PUSHING INTO OUR FAR NRN COUNTIES AT THIS TIME. ADDITIONAL SEVERE CONVECTION JUST TO THE W OF OUR NWRN CWA CONTINUES ALONG COLD FRONT. 00Z OUN SOUNDING WAS QUITE IMPRESSIVE WITH NEARLY 4000 J/KG OF CAPE AND JUST A SLIVER OF A CAP LEFT. EXPECT THIS ACTIVITY TO GRADUALLY BECOME MORE LINEAR WITH TIME...AND EVENTUALLY DEVELOP INTO A MCS OVERNIGHT. PROGGD CORFIDI VECTORS SUGGEST MCS WILL PEEL ESE INTO FAR NE OK AND EVENTUALLY NW AR LATER TONIGHT. WILL UPDATE TO TWEAK POPS SOME...AND ADJUST TIMING OF CONVECTION. UPDATE SHOULD BE OUT BETWEEN 930 AND 945 PM. .TSA... AR...NONE. OK...NONE.
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 12:44 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison, Washington | 61 min |
| May 9, 2:45 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 45 min |
| May 9, 3:35 AM CDT | Tornado Warning | TSA | Crawford, Sebastian | 55 min |
| May 9, 4:09 AM CDT | Severe Thunderstorm Warning | TSA | Franklin | 66 min |
| May 8, 9:33 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 57 min |
| May 8, 10:04 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 56 min |
| May 8, 10:26 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 64 min |
| May 8, 11:00 PM CDT | Severe Thunderstorm Warning | TSA | Pawnee | 60 min |
| May 8, 11:15 PM CDT | Flash Flood Warning | TSA | Osage | 4 hr |
| May 8, 11:23 PM CDT | Severe Thunderstorm Warning | TSA | Washington | 52 min |
| May 8, 11:27 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 93 min |
| May 8, 11:50 PM CDT | Severe Thunderstorm Warning | TSA | Rogers | 55 min |
| May 9, 12:00 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 60 min |
| May 9, 12:14 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 46 min |
| May 9, 12:20 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 55 min |
| May 9, 12:29 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 61 min |
| May 9, 12:32 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 43 min |
| May 9, 1:06 AM CDT | Severe Thunderstorm Warning | TSA | Rogers | 54 min |
| May 9, 1:12 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 63 min |
| May 9, 1:30 AM CDT | Severe Thunderstorm Warning | TSA | Okmulgee, Tulsa, Wagoner | 45 min |
| May 9, 2:09 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee, Okmulgee, Wagoner | 51 min |
| May 9, 2:49 AM CDT | Tornado Warning | TSA | Muskogee | 41 min |
| May 9, 3:03 AM CDT | Tornado Warning | TSA | Sequoyah | 57 min |
| May 9, 3:05 AM CDT | Severe Thunderstorm Warning | TSA | Haskell | 40 min |
| May 9, 3:23 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 67 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2002Severe Thunderstorm Warnings in Oklahoma, 2002Every severe thunderstorm warning in 2002
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.