Alert archive / Arkansas / Special Weather Statements in 2015
Special Weather Statement, NWS Tulsa, OK
NWS Tulsa, OK issued this special weather statement at Aug 6, 2015, 12:21 AM CDT for Crawford County, Arkansas. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 6, 2015, 12:21 AM CDT (05:21 UTC)
- Expired
- Aug 6, 2015, 12:45 AM CDT
- In force
- 24 min
- Issued by
- NWS Tulsa, OK
County Crawford County, AR
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
- 567 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 939 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
294
WWUS84 KTSA 060521
SPSTSA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1221 AM CDT THU AUG 6 2015
ARZ019-029-060545-
CRAWFORD AR-SEBASTIAN AR-
1221 AM CDT THU AUG 6 2015
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN CRAWFORD AND
NORTHERN SEBASTIAN COUNTIES UNTIL 1245 AM CDT...
AT 1221 AM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER VAN BUREN...MOVING SOUTHEAST AT 30 MPH.
DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.
LOCATIONS IMPACTED INCLUDE...
FORT SMITH...VAN BUREN...LAVACA...KIBLER...URSULA AND SHIBLEY.
LAT...LON 3541 9444 3542 9444 3550 9436 3537 9408
3532 9408
TIME...MOT...LOC 0521Z 311DEG 27KT 3543 9435
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 8:42 PM CDT | Special Weather Statement | TSA | Haskell | 48 min |
| Aug 5, 11:50 PM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 25 min |
| Aug 6, 1:48 AM CDT | Severe Thunderstorm Warning | TSA | LeFlore | 42 min |
| Aug 6, 2:41 AM CDT | Areal Flood Advisory | TSA | LeFlore, Sequoyah | 3 hr |
| Aug 6, 3:36 AM CDT | Excessive Heat Watch | TSA | Choctaw, Creek, McIntosh, Muskogee, Okfuskee, Okmulgee and 7 more | 23 hr |
| Aug 5, 8:08 PM CDT | Special Weather Statement | TSA | Madison | 37 min |
| Aug 5, 8:19 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 26 min |
| Aug 5, 8:46 PM CDT | Special Weather Statement | TSA | Franklin | 44 min |
| Aug 5, 9:07 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 23 min |
| Aug 6, 1:32 AM CDT | Special Weather Statement | TSA | Sebastian | 28 min |
Nearby
Special Weather Statements in Arkansas, 2015Every special weather statement in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.