Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 276, NWS Little Rock, AR

August 5, 2016Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 5, 2016, 7:46 PM CDT for Boone County, Marion County, Arkansas. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 5, 2016, 7:46 PM CDT (00:46 UTC)
Expired
Aug 5, 2016, 8:30 PM CDT
In force
44 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 115 km from the middle of the area, began a volume at 00:48 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

Springfield, MO (KSGF), launched 00:00Z, 0.8 hours before the alert went out and 106 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 2016-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1836 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2016-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
1836 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 5, 6:20 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Aug 5, 6:20 PM CDT, 1 hour 26 minutes before
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Hazardous weather outlook, Aug 5, 5:00 AM CDT, 14 hours 46 minutes before
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In the hours before

Special weather statement, Aug 5, 1:54 PM CDT, 5 hours 52 minutes before
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Local storm report, Aug 5, 5:06 PM CDT, 2 hours 40 minutes before
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Special weather statement, Aug 5, 5:37 PM CDT, 2 hours 9 minutes before
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Local storm report, Aug 5, 6:25 PM CDT, 1 hour 21 minutes before
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Special weather statement, Aug 5, 7:01 PM CDT, 45 minutes before
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Special weather statement, Aug 5, 7:40 PM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
740 PM CDT FRI AUG 5 2016

ARZ003-060115-
BOONE AR-
740 PM CDT FRI AUG 5 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL BOONE COUNTY UNTIL 815 PM
CDT...

AT 739 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG
THUNDERSTORM CENTERED NEAR HARRISON...MOVING EAST AT 10 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
HARRISON...                       BERGMAN...
VALLEY SPRINGS...                 DUGGER...
WININGTON...                      CAPPS...
SELF...                           CRAWFORD...
MYRTLE...                         OLVEY...
WILLIS...                         BELLEFONTE...
EVERTON...                        ZINC...
SOUTH LEAD HILL...                BATAVIA...
BEAR CREEK SPRINGS...             RIDGEWAY...
HOPEWELL IN BOONE COUNTY...

LAT...LON 3612 9290 3624 9325 3640 9318 3640 9289
TIME...MOT...LOC 0039Z 280DEG 8KT 3630 9312

55

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 7:01 PM CDTSpecial Weather StatementLZKDesha29 min
Aug 5, 7:40 PM CDTSpecial Weather StatementLZKBoone35 min
Aug 5, 8:21 PM CDTSpecial Weather StatementLZKBoone24 min
Aug 5, 8:28 PM CDTSpecial Weather StatementLZKMarion32 min
Aug 5, 8:43 PM CDTSpecial Weather StatementLZKMarion32 min
Aug 5, 9:13 PM CDTSpecial Weather StatementLZKBaxter47 min
Aug 5, 9:26 PM CDTFlash Flood WarningLZKBaxter, Boone, Marion3 hr
Aug 5, 9:59 PM CDTFlash Flood WarningLZKBaxter, Fulton, Izard, Marion3 hr
Aug 5, 11:02 PM CDTSpecial Weather StatementLZKFulton, Sharp43 min
Aug 5, 11:09 PM CDTSpecial Weather StatementLZKJohnson51 min
Aug 5, 11:20 PM CDTSevere Thunderstorm WarningLZKJohnson, Logan, Pope25 min
Aug 5, 11:57 PM CDTSpecial Weather StatementLZKPope48 min
Aug 6, 12:12 AM CDTSevere Thunderstorm WarningLZKConway, Pope, Van Buren48 min
Aug 6, 12:52 AM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Van Buren38 min
Aug 6, 1:25 AM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Van Buren, White32 min
Aug 6, 12:36 PM CDTSpecial Weather StatementLZKLincoln39 min
Aug 6, 12:38 PM CDTSpecial Weather StatementLZKCleveland37 min
Aug 6, 1:08 PM CDTSpecial Weather StatementLZKCleveland52 min
Aug 6, 1:15 PM CDTSevere Thunderstorm WarningLZKDesha, Drew, Lincoln30 min
Aug 6, 1:21 PM CDTSpecial Weather StatementLZKDesha39 min
Aug 6, 1:46 PM CDTSpecial Weather StatementLZKDesha, Drew44 min
Aug 6, 2:01 PM CDTSevere Thunderstorm WarningLZKDesha, Drew44 min
Aug 6, 2:19 PM CDTSpecial Weather StatementLZKBradley26 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2016Every severe thunderstorm warning in 2016

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.