Alert archive / Arkansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 377, NWS Little Rock, AR

October 10, 20144 counties in Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 10, 2014, 6:08 PM CDT for 4 counties in Arkansas. It was in force for 52 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
Oct 10, 2014, 6:08 PM CDT (23:08 UTC)
Expired
Oct 10, 2014, 7:00 PM CDT
In force
52 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Garland County, AR, Montgomery County, AR, Perry County, AR, Yell County, AR

The radar

The Little Rock radar (KLZK), 94 km from the middle of the area, began a volume at 23:11 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 watch it was issued in

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

IssuedProductOfficeLasted
Oct 10, 3:22 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.1 hours before the alert went out and 242 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 12:00Z on 2014-10-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2014-10-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -51 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
909 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
-51 m²/s²
0-3 km storm-relative helicity
3 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 Oct 10, 3:43 PM CDT, 2 hours 25 minutes earlier.

Area forecast discussion, Oct 10, 3:43 PM CDT, 2 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
343 PM CDT FRI OCT 10 2014

.SHORT TERM...TONIGHT THROUGH MONDAY NIGHT
HEAVY RAIN OCCURRED TOWARD THE MISSOURI BORDER TODAY. MORE THAN
TWO INCHES OF PRECIPITATION FELL IN PORTIONS OF THE OZARKS. RAIN
WILL BUILD SOUTH WITH A SLOW MOVING FRONT.

AS THE FRONT HEADS INTO THE CENTRAL THIRD OF ARKANSAS THIS
EVENING...THERE COULD BE A FEW SEVERE STORMS. ISOLATED SEVERE
WEATHER WAS ONGOING IN EASTERN OKLAHOMA...WITH A SEVERE
THUNDERSTORM WATCH POSTED THROUGH THIS EVENING IN THE OUACHITA
MOUNTAINS OF THE WEST.

RAIN WILL BE LIKELY IN CENTRAL/SOUTHERN SECTIONS OF THE STATE
TONIGHT AND SATURDAY. AMOUNTS COULD BE HEAVY...WITH GENERAL HALF
INCH TO INCH AND A HALF TOTALS IN THE FORECAST. LOCAL TOTALS COULD
EXCEED TWO INCHES.

HAVE A FLASH FLOOD WATCH LINGERING IN THE FAR NORTH TONIGHT...WITH
A FLASH FLOOD WATCH IN CENTRAL/SOUTHERN SECTIONS THROUGH SATURDAY.
AT THIS POINT...WIDESPREAD HIGH WATER PROBLEMS ARE UNLIKELY...WITH
MOST OF THE WATER GOING INTO THE SOIL FOLLOWING A DRY SEPTEMBER.

RAIN WILL TAPER OFF SATURDAY NIGHT/SUNDAY...WITH SCATTERED SHOWERS
IN THE FORECAST. A STRONG STORM SYSTEM WILL DRAG A NEW COLD FRONT
INTO THE REGION SUNDAY NIGHT/MONDAY...WITH SHOWERS AND THUNDERSTORMS
PICKING UP AGAIN.

THERE WILL BE TORRENTIAL DOWNPOURS WITH THE NEW SYSTEM...AND A QUICK
ONE TO TWO INCHES OF RAIN. FLASH FLOODING MAY BECOME MORE OF AN
ISSUE. GIVEN THE DYNAMICS OF THE SYSTEM...THERE IS A POTENTIAL FOR
SEVERE STORMS. HOWEVER...MUCH OF THE PRECIPITATION WILL OCCUR
DURING THE DAYLIGHT HOURS WHICH WILL LIMIT HEATING/INSTABILITY.
AREAS TOWARD THE MISSISSIPPI RIVER ARE FAVORED IF SEVERE STORMS
DEVELOP...OR WHERE THE MOST HEATING TAKES PLACE BEFORE THE FRONT
ARRIVES.
&&

.LONG TERM...TUESDAY THROUGH FRIDAY
UPPER LOW PRESSURE WILL BE CENTERED OVER LAKE MICHIGAN TO BEGIN THE
PERIOD AND THE TRAILING TROUGH WILL BE MOVING EAST OF ARKANSAS.
NORTHWEST FLOW WILL INCREASE OVER ARKANSAS TUESDAY AS AN UPPER RIDGE
BUILDS OVER THE ROCKIES TUESDAY AND WEDNESDAY. THE UPPER RIDGE WILL
MOVE TO NEAR THE MISSISSIPPI RIVER BY WEDNESDAY NIGHT. SOUTHWEST
FLOW WILL RETURN TO THE STATE THURSDAY AND FRIDAY.

THE UPPER LEVEL SYSTEM WILL BE EXITING ARKANSAS TUESDAY
MORNING...AND THERE WILL BE A SLIGHT CHANCE OF SHOWERS IN EASTERN
ARKANSAS THROUGH MID MORNING. HIGH PRESSURE WILL BE OVER THE AREA
THROUGH MUCH OF THE PERIOD WITH DRY WEATHER AND NEAR NORMAL
TEMPERATURES EXPECTED THROUGH THURSDAY. A COLD FRONT WILL MOVE
THROUGH THE AREA FRIDAY BUT NO PRECIPITATION IS EXPECTED AT THIS
TIME.
&&

.PRELIMINARY POINT TEMPS/POPS...
BATESVILLE AR     55  60  53  70 /  80  80  50  40
CAMDEN AR         66  73  60  76 /  70  80  50  40
HARRISON AR       50  58  50  69 /  70  70  40  30
HOT SPRINGS AR    63  68  56  74 /  90  80  50  30
LITTLE ROCK   AR  62  66  56  74 /  90  80  50  40
MONTICELLO AR     66  75  61  80 /  60  80  50  40
MOUNT IDA AR      62  68  56  74 /  90  80  40  30
MOUNTAIN HOME AR  50  58  51  69 /  60  70  40  30
NEWPORT AR        56  62  54  72 /  90  80  60  40
PINE BLUFF AR     64  71  59  76 /  70  80  60  40
RUSSELLVILLE AR   60  63  54  72 /  90  80  40  30
SEARCY AR         59  64  55  72 /  90  80  60  40
STUTTGART AR      62  69  57  75 /  70  80  60  40
&&

.LZK WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM 7 PM CDT THIS EVENING THROUGH SATURDAY
EVENING FOR ARKANSAS-CLARK-CLEBURNE-CONWAY-FAULKNER-GARLAND-
GRANT-HOT SPRING-INDEPENDENCE-JACKSON-JEFFERSON-JOHNSON-LOGAN-
LONOKE-MONROE-MONTGOMERY-PERRY-PIKE-POLK-POPE-PRAIRIE-PULASKI-
SALINE-SCOTT-VAN BUREN-WHITE-WOODRUFF-YELL.

FLASH FLOOD WATCH THROUGH SATURDAY MORNING FOR BAXTER-BOONE-
FULTON-IZARD-MARION-NEWTON-SEARCY-SHARP-STONE.

&&

SHORT TERM...46 / LONG TERM...51
Hazardous weather outlook, Oct 10, 12:45 PM CDT, 5 hours 23 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Oct 10, 3:48 AM CDTFlash Flood WatchLZKArkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 28 more35 hr
Oct 10, 10:10 AM CDTSpecial Weather StatementLZKConway, Logan, Pope, Scott, Searcy, Van Buren and 1 more60 min
Oct 10, 10:43 AM CDTSpecial Weather StatementLZKCleburne, Izard, Sharp, Stone57 min
Oct 10, 11:12 AM CDTRiver Flood WarningLZKJackson, Woodruff14 days
Oct 10, 3:09 PM CDTFlash Flood WatchLZKIndependence20 hr
Oct 10, 4:49 PM CDTSevere Thunderstorm WarningLZKPolk, Scott41 min
Oct 10, 5:31 PM CDTSevere Thunderstorm WarningLZKLogan, Scott, Yell44 min
Oct 10, 6:54 PM CDTSpecial Weather StatementLZKPerry46 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2014Every severe thunderstorm warning in 2014

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.