Alert archive / Arkansas / Special Weather Statements in 2021
Special Weather Statement, NWS Shreveport, LA
NWS Shreveport, LA issued this special weather statement at Aug 1, 2021, 2:08 PM CDT for Nevada County, Arkansas. It was in force for 37 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 1, 2021, 2:08 PM CDT (19:08 UTC)
- Expired
- Aug 1, 2021, 2:45 PM CDT
- In force
- 37 min
- Issued by
- NWS Shreveport, LA
County Nevada County, AR
The radar
The Little Rock radar (KLZK), 146 km from the middle of the area, began a volume at 19:12 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.
The nearest sounding before it
Shreveport, LA (KSHV), launched 12:00Z, 7.1 hours before the alert went out and 163 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
- 1492 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1228 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- -6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
697
WWUS84 KSHV 011908
SPSSHV
Special Weather Statement
National Weather Service Shreveport LA
208 PM CDT Sun Aug 1 2021
ARZ060-061-011945-
Hempstead AR-Nevada AR-
208 PM CDT Sun Aug 1 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN NEVADA COUNTY UNTIL
245 PM CDT...
At 207 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles southwest of Okolona, or 10 miles north of Prescott, moving
southeast at 10 mph.
Half inch hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Prescott and Boughton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3395 9342 3396 9338 3395 9336 3392 9334
3390 9330 3388 9331 3384 9329 3378 9338
3395 9354 3395 9352 3394 9351 3396 9347
TIME...MOT...LOC 1907Z 316DEG 8KT 3395 9344
$$
04The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 4:07 PM CDT | Special Weather Statement | SHV | Bowie | 53 min |
| Aug 1, 5:13 PM CDT | Special Weather Statement | SHV | Ouachita | 32 min |
| Aug 1, 5:34 PM CDT | Areal Flood Advisory | SHV | Ouachita | 116 min |
| Aug 1, 2:43 PM CDT | Special Weather Statement | SHV | Nevada | 47 min |
| Aug 1, 2:02 PM CDT | Special Weather Statement | SHV | McCurtain | 43 min |
Nearby
Special Weather Statements in Arkansas, 2021Every special weather statement in 2021
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; radar from the NEXRAD Level II archive.