Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 252, NWS Tulsa, OK
NWS Tulsa, OK issued this severe thunderstorm warning at May 17, 1999, 10:30 AM CDT for Crawford County, Washington County, Arkansas; Adair County, Oklahoma. It was in force for 45 min. 5 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 17, 1999, 10:30 AM CDT (15:30 UTC)
- Expired
- May 17, 1999, 11:15 AM CDT
- In force
- 45 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Crawford County, AR, Washington County, AR, Adair County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 17, 10:35 AM CDT | Thunderstorm Wind | Stilwell, OK | Several trees were snapped in half, and numerous tree limbs were blown down. |
| May 17, 10:45 AM CDT | Thunderstorm Wind | Sallisaw, OK | Several 20-foot tall trees were blown over in Sallisaw. |
| May 17, 10:59 AM CDT | Tornado F0 | Farmington, AR | There was a brief tornado touchdown in a rural area southwest of Farmington. Damage was limited to trees. |
| May 17, 11:00 AM CDT | Thunderstorm Wind | Fayetteville, AR | Siding was blown off several houses in Fayetteville. Tree limbs were also blown down. |
| May 17, 11:10 AM CDT | Thunderstorm Wind | Elkins, AR | Trees and tree limbs were blown down in Elkins. |
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 12:00Z, 3.5 hours before the alert went out and 135 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
- 1332 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- -88 m²/s²
- 0-3 km storm-relative helicity
- -53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999
WUUS54 KTSA 171533 RRA
SVRTUL
ARC033-143-OKC001-135-171615-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1030 AM CDT MON MAY 17 1999
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR
ADAIR COUNTY IN EAST CENTRAL OKLAHOMA
SEQUOYAH COUNTY IN EAST CENTRAL OKLAHOMA
NORTHWESTERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS
WASHINGTON COUNTY IN NORTHWEST ARKANSAS
* UNTIL 1115 AM CDT
* AT 1028 AM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS
UP TO 60 MPH WERE LOCATED ALONG A LINE EXTENDING FROM WEDINGTON TO
5 MILES NORTHEAST OF BUNCH TO 3 MILES NORTH OF VIAN...MOVING
EAST AT 30 MPH.
* SOME LOCATIONS AFFECTED INCLUDE... LEE CREEK...RUDY...FIGURE
FIVE...CHESTER...NATURAL DAM...CEDARVILLE...MOUNTAINBURG...
CINCINNATI...GREENLAND...BRENTWOOD...STRICKLER...BLACKBURN...
FARMINGTON...ELKINS...PRAIRIE GROVE...LINCOLN...WEST FORK...
WINSLOW...FAYETTEVILLE...MARBLE CITY...SHORT...BRUSHY...
BARON...BUNCH AND STILWELL
AT 1025...STORM SPOTTERS REPORTED 50 TO 60 MPH WINDS WITH THIS STORM
IN THE BUNCH AREA.
LAT...LON 3616 9443 3574 9477 3547 9501 3545 9440
3561 9409 3605 9395The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 17, 2:50 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Washington | 55 min |
| May 17, 2:50 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Sebastian | 55 min |
| May 17, 3:36 AM CDT | Severe Thunderstorm Warning | TSA | Franklin, Madison | 54 min |
| May 17, 3:36 AM CDT | Severe Thunderstorm Warning | TSA | Carroll | 54 min |
| May 17, 3:45 AM CDT | Severe Thunderstorm Warning | TSA | Crawford, Washington | 15 min |
| May 17, 3:45 AM CDT | Severe Thunderstorm Warning | TSA | Benton | 15 min |
| May 17, 10:54 AM CDT | Severe Thunderstorm Warning | TSA | Carroll | 51 min |
| May 17, 10:55 AM CDT | Tornado Warning | TSA | Washington | 35 min |
| May 17, 11:02 AM CDT | Severe Thunderstorm Warning | TSA | Madison | 28 min |
| May 17, 3:07 PM CDT | Severe Thunderstorm Warning | TSA | Crawford, Franklin, Sebastian | 38 min |
| May 17, 3:11 PM CDT | Flash Flood Warning | TSA | Franklin, Sebastian | 2 hr |
| May 17, 3:42 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 48 min |
| May 17, 3:58 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 17 min |
| May 17, 4:56 PM CDT | Flash Flood Warning | TSA | Franklin, Sebastian | 3 hr |
| May 17, 5:09 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 51 min |
| May 16, 11:24 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 66 min |
| May 16, 11:55 PM CDT | Severe Thunderstorm Warning | TSA | Creek | 50 min |
| May 17, 12:26 AM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 49 min |
| May 17, 12:32 AM CDT | Severe Thunderstorm Warning | TSA | Washington | 43 min |
| May 17, 12:50 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 25 min |
| May 17, 12:52 AM CDT | Severe Thunderstorm Warning | TSA | Okfuskee | 53 min |
| May 17, 1:14 AM CDT | Severe Thunderstorm Warning | TSA | Nowata | 46 min |
| May 17, 1:18 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Okmulgee | 57 min |
| May 17, 1:18 AM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 57 min |
| May 17, 1:34 AM CDT | Severe Thunderstorm Warning | TSA | Craig | 41 min |
| May 17, 2:04 AM CDT | Severe Thunderstorm Warning | TSA | Haskell, Latimer, Muskogee | 56 min |
| May 17, 2:27 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, Sequoyah | 63 min |
| May 17, 2:36 AM CDT | Severe Thunderstorm Warning | TSA | Delaware, Mayes | 54 min |
| May 17, 2:50 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 55 min |
| May 17, 3:07 AM CDT | Severe Thunderstorm Warning | TSA | Craig, Ottawa | 53 min |
| May 17, 8:13 AM CDT | Severe Thunderstorm Warning | TSA | Creek | 32 min |
| May 17, 8:30 AM CDT | Severe Thunderstorm Warning | TSA | Tulsa | 30 min |
| May 17, 9:16 AM CDT | Severe Thunderstorm Warning | TSA | Muskogee, Wagoner | 29 min |
| May 17, 10:00 AM CDT | Severe Thunderstorm Warning | TSA | Haskell | 45 min |
| May 17, 10:10 AM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg | 35 min |
| May 17, 10:30 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 45 min |
| May 17, 1:55 PM CDT | Severe Thunderstorm Warning | TSA | Haskell | 35 min |
| May 17, 2:05 PM CDT | Severe Thunderstorm Warning | TSA | Pittsburg | 40 min |
| May 17, 2:31 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 44 min |
| May 17, 2:32 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, Pittsburg | 43 min |
| May 17, 3:05 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 40 min |
| May 17, 3:11 PM CDT | Flash Flood Warning | TSA | LeFlore | 2 hr |
| May 17, 3:35 PM CDT | Flash Flood Warning | TSA | Latimer | 115 min |
| May 17, 4:08 PM CDT | Severe Thunderstorm Warning | TSA | Latimer, LeFlore | 37 min |
| May 17, 4:51 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 54 min |
| May 17, 4:56 PM CDT | Flash Flood Warning | TSA | LeFlore | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 1999Severe Thunderstorm Warnings in Oklahoma, 1999Every severe thunderstorm warning in 1999
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.