Alert archive / Arkansas / Tornado Watches in 2023

Tornado Watch 57

March 2, 202332 counties in Arkansas; 13 parishes in Louisiana

The Storm Prediction Center issued this tornado watch at Mar 2, 2023, 5:42 PM CST for 32 counties in Arkansas; 13 parishes in Louisiana. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 2, 2023, 5:42 PM CST (23:42 UTC)
Expired
Mar 3, 2023, 12:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
70 kt
All 45 counties

Arkansas County, AR, Ashley County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Clark County, AR, Cleveland County, AR, Columbia County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Garland County, AR, Grant County, AR, Hempstead County, AR, Hot Spring County, AR, Howard County, AR, Jefferson County, AR, Lafayette County, AR, Lincoln County, AR, Lonoke County, AR, Montgomery County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Union County, AR, Yell County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Lincoln Parish, LA, Morehouse Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, West Carroll Parish, LA

The radar

The Little Rock radar (KLZK), 143 km from the middle of the area, began a volume at 23:41 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 SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
70%
One or more EF2 to EF5 tornadoes
50%
Ten or more severe wind reports
80%
One or more gusts of 65 knots or more
60%
Ten or more severe hail reports
60%
One or more hailstones of 2 inches or more
50%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Mar 2, 5:50 PM CSTTornado Warning Tornado observedSHVBossier, Caddo, Webster40 min
Mar 2, 5:55 PM CSTTornado WarningSHVLafayette, Miller35 min
Mar 2, 6:50 PM CSTSevere Thunderstorm WarningLZKPolk40 min
Mar 2, 7:27 PM CSTSevere Thunderstorm Warning Considerable damage threatLZKMontgomery, Polk, Scott, Yell48 min
Mar 2, 7:41 PM CSTFlash Flood WarningLZKPolk, Scott3 hr
Mar 2, 8:03 PM CSTFlash Flood WarningLZKLogan, Scott12 hr
Mar 2, 8:39 PM CSTFlash Flood WarningLZKMontgomery, Polk, Yell11 hr
Mar 2, 9:04 PM CSTFlash Flood WarningLZKGarland, Montgomery, Perry, Yell11 hr
Mar 2, 9:16 PM CSTFlash Flood WarningLZKJohnson, Logan, Yell10 hr
Mar 2, 9:39 PM CSTFlash Flood WarningLZKConway, Pope, Yell7 hr
Mar 2, 9:43 PM CSTSevere Thunderstorm Warning Considerable damage threatSHVHempstead, Howard, Little River, Miller, Sevier62 min
Mar 2, 9:52 PM CSTSevere Thunderstorm Warning Considerable damage threatLZKMontgomery, Pike, Polk53 min
Mar 2, 10:03 PM CSTFlash Flood WarningLZKConway, Faulkner, Garland, Perry, Pulaski, Saline10 hr
Mar 2, 10:28 PM CSTSevere Thunderstorm WarningSHVLafayette, Miller47 min
Mar 2, 10:30 PM CSTTornado WarningSHVCaddo26 min
Mar 2, 10:37 PM CSTTornado WarningSHVCaddo38 min
Mar 2, 10:43 PM CSTSevere Thunderstorm WarningSHVColumbia, Hempstead, Lafayette, Little River, Miller, Nevada62 min
Mar 2, 10:46 PM CSTSevere Thunderstorm WarningLZKClark, Garland, Hot Spring, Montgomery, Pike59 min
Mar 2, 10:52 PM CSTSevere Thunderstorm WarningSHVSabine53 min
Mar 2, 11:14 PM CSTSevere Thunderstorm WarningSHVColumbia, Lafayette, Miller61 min
Mar 2, 11:16 PM CSTFlash Flood WarningLZKFaulkner, Pulaski8 hr
Mar 2, 11:37 PM CSTTornado WarningLZKGarland, Hot Spring23 min
Mar 2, 11:41 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto, Red River, Sabine64 min
Mar 2, 11:43 PM CSTSevere Thunderstorm WarningLZKClark, Dallas, Garland, Grant, Hot Spring, Ouachita and 1 more62 min
Mar 2, 11:43 PM CSTSevere Thunderstorm WarningSHVColumbia, Lafayette, Nevada47 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.7 hours before the alert went out and 154 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, Shreveport, LA at 12:00Z on 2023-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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, Shreveport, LA at 12:00Z on 2023-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -71 square meters per square second.1939587897117Sfc1 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
12 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1420 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
-71 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 6:21 PM CSTMesoscale DiscussionSPCArkansas, Bradley, Calhoun, Clark, Cleveland, Crittenden and 23 more114 min
Mar 1, 8:44 PM CSTMesoscale DiscussionSPCDesha, Lincoln61 min
Mar 2, 12:53 PM CSTMesoscale DiscussionSPCBaxter, Boone, Carroll, Fulton, Izard, Marion and 2 more67 min
Mar 2, 2:38 PM CSTMesoscale DiscussionSPCLittle River, Polk, Sevier3 hr
Mar 2, 2:58 PM CSTTornado WatchSPCLittle River, Miller, Sevier9 hr
Mar 2, 5:10 PM CSTMesoscale DiscussionSPCArkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 19 more2 hr

Nearby

Tornado Watches in Arkansas, 2023Tornado Watches in Louisiana, 2023Every tornado watch in 2023

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.