Alert archive / Arkansas / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 13, NWS Little Rock, AR

February 23, 2019Monroe County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Feb 23, 2019, 2:16 PM CST for Monroe County, Arkansas. It was in force for 29 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
Feb 23, 2019, 2:16 PM CST (20:16 UTC)
Expired
Feb 23, 2019, 2:45 PM CST
In force
29 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Monroe County, AR

The radar

The Little Rock radar (KLZK), 98 km from the middle of the area, began a volume at 20:19 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

Little Rock, AR (KBYH), launched 12:00Z, 8.3 hours before the alert went out and 116 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, Little Rock, AR at 12:00Z on 2019-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 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, Little Rock, AR at 12:00Z on 2019-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 426 square meters per square second.1939587897117136Sfc1 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
62 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
430 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
426 m²/s²
0-3 km storm-relative helicity
456 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 1:09 AM CSTDense Fog AdvisoryLZKArkansas, Baxter, Bradley, Calhoun, Clark, Cleburne and 30 more11 hr
Feb 23, 7:38 AM CSTSpecial Weather StatementLZKMontgomery37 min
Feb 23, 7:48 AM CSTSpecial Weather StatementLZKPike27 min
Feb 23, 8:02 AM CSTSpecial Weather StatementLZKMontgomery28 min
Feb 23, 8:22 AM CSTSpecial Weather StatementLZKConway38 min
Feb 23, 8:34 AM CSTSevere Thunderstorm WarningLZKCleveland, Dallas, Grant, Jefferson, Lonoke, Pulaski16 min
Feb 23, 8:43 AM CSTSpecial Weather StatementLZKHot Spring32 min
Feb 23, 9:08 AM CSTSpecial Weather StatementLZKPulaski, Saline37 min
Feb 23, 9:12 AM CSTSevere Thunderstorm WarningLZKGrant, Pulaski, Saline33 min
Feb 23, 11:16 AM CSTSpecial Weather StatementLZKJefferson29 min
Feb 23, 11:43 AM CSTFlash Flood WarningLZKArkansas, Monroe, Prairie, Woodruff3 hr
Feb 23, 11:58 AM CSTSpecial Weather StatementLZKJefferson47 min
Feb 23, 1:09 PM CSTSpecial Weather StatementLZKMonroe51 min
Feb 23, 1:40 PM CSTSpecial Weather StatementLZKDrew50 min
Feb 23, 1:51 PM CSTSpecial Weather StatementLZKMonroe39 min
Feb 23, 3:45 PM CSTRiver Flood WarningLZKClark, Hot Spring23 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2019Every severe thunderstorm warning in 2019

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.