Alert archive / Arkansas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 310, NWS Little Rock, AR

October 22, 20174 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 22, 2017, 3:10 AM CDT for 4 counties in Arkansas. It was in force for 50 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Oct 22, 2017, 3:10 AM CDT (08:10 UTC)
Expired
Oct 22, 2017, 4:00 AM CDT
In force
50 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Cleburne County, AR, Searcy County, AR, Stone County, AR, Van Buren County, AR

The radar

The Little Rock radar (KLZK), 88 km from the middle of the area, began a volume at 08:12 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.

What was reported inside it

TimeReportWhereRemark
Oct 22, 3:15 AM CDTTSTM WND DMG1 Wsw Culpepper, ARA TREE WAS BLOWN DOWN.
Oct 22, 3:20 AM CDTTSTM WND DMG1 Ne Culpepper, ARLIMBS WERE BLOWN DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 21, 11:56 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.2 hours before the alert went out and 187 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2017-10-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 700 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2017-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
700 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1064 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

872 
WUUS54 KLZK 220810
SVRLZK
ARC023-129-137-141-220900-
/O.NEW.KLZK.SV.W.0310.171022T0810Z-171022T0900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Little Rock AR
310 AM CDT SUN OCT 22 2017

The National Weather Service in Little Rock has issued a

* Severe Thunderstorm Warning for...
  Southwestern Stone County in north central Arkansas...
  Southeastern Searcy County in north central Arkansas...
  Van Buren County in north central Arkansas...
  Western Cleburne County in north central Arkansas...

* Until 400 AM CDT

* At 310 AM CDT, a severe thunderstorm was located near Claude, or 10
  miles west of Clinton, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Heber Springs...                  Mountain View...
  Clinton...                        Fairfield Bay...
  Greers Ferry...                   Shirley...
  Higden...                         Fairfield Bay Marina...
  Rocky Hill...                     Elba...
  Woolum...                         Sugar Loaf Recreation Area...
  Old Lexington...                  Choctaw...
  Claude...                         Beverage Town...
  Alread...                         Hanover...
  Parma...                          Rushing...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3548 9272 3569 9280 3596 9214 3543 9192
TIME...MOT...LOC 0810Z 238DEG 36KT 3556 9264 

HAIL...0.75IN
WIND...60MPH
 
$$

62
2 follow-up statements
426 
WWUS54 KLZK 220821
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
321 AM CDT SUN OCT 22 2017

ARC023-129-137-141-220900-
/O.CON.KLZK.SV.W.0310.000000T0000Z-171022T0900Z/
Stone AR-Searcy AR-Van Buren AR-Cleburne AR-
321 AM CDT SUN OCT 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHWESTERN STONE...SOUTHEASTERN SEARCY...VAN BUREN AND WESTERN
CLEBURNE COUNTIES...

At 321 AM CDT, a severe thunderstorm was located near Clinton, moving
northeast at 40 mph.

HAZARD...60 mph wind gusts and penny size hail. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Heber Springs...                  Mountain View...
Clinton...                        Fairfield Bay...
Greers Ferry...                   Shirley...
Higden...                         Fairfield Bay Marina...
Rocky Hill...                     Elba...
Woolum...                         Sugar Loaf Recreation Area...
Old Lexington...                  Choctaw...
Claude...                         Beverage Town...
Alread...                         Hanover...
Parma...                          Rushing...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3548 9272 3569 9280 3596 9214 3543 9192
TIME...MOT...LOC 0821Z 245DEG 35KT 3559 9251 

HAIL...0.75IN
WIND...60MPH
 
$$

62
833 
WWUS54 KLZK 220836
SVSLZK

Severe Weather Statement
National Weather Service Little Rock AR
336 AM CDT SUN OCT 22 2017

ARC129-220846-
/O.CAN.KLZK.SV.W.0310.000000T0000Z-171022T0900Z/
Searcy AR-
336 AM CDT SUN OCT 22 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SEARCY COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 700 AM CDT for
north central Arkansas.

LAT...LON 3547 9249 3564 9254 3596 9214 3543 9192
TIME...MOT...LOC 0836Z 245DEG 29KT 3554 9232 

$$

ARC023-137-141-220900-
/O.CON.KLZK.SV.W.0310.000000T0000Z-171022T0900Z/
Stone AR-Van Buren AR-Cleburne AR-
336 AM CDT SUN OCT 22 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 AM CDT
FOR SOUTHWESTERN STONE...NORTHEASTERN VAN BUREN AND WESTERN CLEBURNE
COUNTIES...

At 336 AM CDT, a severe thunderstorm was located over Fairfield Bay
Marina, or near Fairfield Bay, moving northeast at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Heber Springs...                  Mountain View...
Clinton...                        Fairfield Bay...
Greers Ferry...                   Shirley...
Higden...                         Fairfield Bay Marina...
Sugar Loaf Recreation Area...     Old Lexington...
Choctaw...                        Hanover...
Parma...                          Rushing...
Turkey Creek...                   Brownsville...
Narrows Marina...                 Brewer...
Choctow Recreation Area...        Woodrow...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3547 9249 3564 9254 3596 9214 3543 9192
TIME...MOT...LOC 0836Z 245DEG 29KT 3554 9232 

HAIL...<.75IN
WIND...60MPH
 
$$

62

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 22, 1:01 AM CDTSevere Thunderstorm WarningLZKLogan, Polk, Scott59 min
Oct 22, 1:13 AM CDTSpecial Weather StatementLZKBoone, Marion62 min
Oct 22, 1:18 AM CDTSpecial Weather StatementLZKPolk57 min
Oct 22, 1:34 AM CDTSevere Thunderstorm WarningLZKJohnson, Logan56 min
Oct 22, 1:48 AM CDTSevere Thunderstorm WarningLZKLogan, Montgomery, Scott, Yell57 min
Oct 22, 2:00 AM CDTSpecial Weather StatementLZKNewton60 min
Oct 22, 2:15 AM CDTSevere Thunderstorm WarningLZKConway, Garland, Johnson, Logan, Perry, Pope and 1 more46 min
Oct 22, 2:17 AM CDTSpecial Weather StatementLZKMontgomery43 min
Oct 22, 2:48 AM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Garland, Perry, Pope, Pulaski and 2 more57 min
Oct 22, 2:52 AM CDTSpecial Weather StatementLZKMontgomery, Pike38 min
Oct 22, 2:58 AM CDTSpecial Weather StatementLZKSearcy, Stone, Van Buren62 min
Oct 22, 3:12 AM CDTSevere Thunderstorm WarningLZKGarland, Grant, Hot Spring, Saline48 min
Oct 22, 3:29 AM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, Van Buren, White29 min
Oct 22, 3:40 AM CDTSpecial Weather StatementLZKPulaski50 min
Oct 22, 3:55 AM CDTSpecial Weather StatementLZKGrant50 min
Oct 22, 3:58 AM CDTSpecial Weather StatementLZKCleburne, White47 min
Oct 22, 4:14 AM CDTSpecial Weather StatementLZKArkansas, Grant, Jefferson, Lonoke, Monroe, Prairie76 min
Oct 22, 4:23 AM CDTSevere Thunderstorm WarningLZKLonoke, Monroe, Prairie, White, Woodruff41 min
Oct 22, 5:04 AM CDTSpecial Weather StatementLZKPrairie, Woodruff26 min
Oct 22, 5:36 AM CDTSpecial Weather StatementLZKArkansas, Bradley, Desha, Drew, Lincoln54 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2017Every severe thunderstorm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.