Alert archive / Arkansas / Special Weather Statements in 2021
Special Weather Statement, NWS Little Rock, AR
NWS Little Rock, AR issued this special weather statement at May 10, 2021, 2:39 PM CDT for Jefferson County, Arkansas. It was in force for 36 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
- May 10, 2021, 2:39 PM CDT (19:39 UTC)
- Expired
- May 10, 2021, 3:15 PM CDT
- In force
- 36 min
- Issued by
- NWS Little Rock, AR
County Jefferson County, AR
The radar
The Little Rock radar (KLZK), 58 km from the middle of the area, began a volume at 19:42 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, 7.7 hours before the alert went out and 279 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
- 257 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 552 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.4
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Little Rock, AR wrote its last area forecast discussion before this special weather statement went out at May 10, 2:38 PM CDT, 1 minute earlier.
Area forecast discussion, May 10, 2:38 PM CDT, 1 minute before
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</html>Hazardous weather outlook, May 10, 4:02 AM CDT, 10 hours 37 minutes before
Hazardous Weather Outlook National Weather Service Little Rock AR 402 AM CDT Mon May 10 2021 ARZ003>008-012>017-021>025-030>034-037>047-052>057-062>069-111000- Boone-Marion-Baxter-Fulton-Sharp-Randolph-Newton-Searcy-Stone- Izard-Independence-Lawrence-Johnson-Pope-Van Buren-Cleburne- Jackson-Logan-Conway-Faulkner-White-Woodruff-Scott-Yell-Perry- Polk-Montgomery-Garland-Saline-Pulaski-Lonoke-Prairie-Monroe-Pike- Clark-Hot Spring-Grant-Jefferson-Arkansas-Dallas-Cleveland- Lincoln-Desha-Ouachita-Calhoun-Bradley-Drew- 402 AM CDT Mon May 10 2021 This Hazardous Weather Outlook is for a Large Part of Arkansas. .DAY ONE...Today and Tonight Isolated to scattered thunderstorms may develop across southern and western Arkansas through tonight. Aside from small hail, no hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Tuesday Through Sunday No hazardous weather is expected at this time. .Spotter Information Statement... Spotter activation will not be needed. && Visit NWS Little Rock on the web. Go to http://weather.gov/lzk. DTC/46
In the hours before
Special weather statement, May 10, 11:00 AM CDT, 3 hours 39 minutes before
Special Weather Statement
National Weather Service Little Rock AR
1100 AM CDT Mon May 10 2021
ARZ037-040-101630-
Polk AR-Scott AR-
1100 AM CDT Mon May 10 2021
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN POLK AND WESTERN SCOTT
COUNTIES UNTIL 1130 AM CDT...
At 1100 AM CDT, Doppler radar was tracking a strong thunderstorm near
Heavener, or 18 miles south of Poteau, moving east at 40 mph.
Penny size hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Waldron... Beauchamp...
Oliver... Morgan Springs...
Bates... Black Fork...
Cauthron... Black Fork Mountain Wilderness...
Winfield... Hon...
Y City... Needmore...
Boles... Rich Mountain...
LAT...LON 3491 9445 3496 9429 3496 9426 3497 9423
3503 9403 3467 9398 3470 9446
TIME...MOT...LOC 1600Z 266DEG 35KT 3479 9457
67Special weather statement, May 10, 1:03 PM CDT, 1 hour 36 minutes before
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</html>Special weather statement, May 10, 1:29 PM CDT, 1 hour 10 minutes before
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</html>Special weather statement, May 10, 1:46 PM CDT, 53 minutes before
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</html>Special weather statement, May 10, 2:39 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:38 PM CDT | Special Weather Statement | LZK | Desha | 37 min |
| May 10, 11:00 AM CDT | Special Weather Statement | LZK | Scott | 30 min |
| May 10, 11:08 AM CDT | Severe Thunderstorm Warning | LZK | Scott | 12 min |
| May 10, 1:03 PM CDT | Special Weather Statement | LZK | Garland | 27 min |
| May 10, 1:29 PM CDT | Special Weather Statement | LZK | Saline | 31 min |
| May 10, 1:46 PM CDT | Special Weather Statement | LZK | Saline | 29 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.