Alert archive / Arkansas / Tornado Watches in 1998

Tornado Watch 128

March 27, 19985 states

The Storm Prediction Center issued this tornado watch at Mar 27, 1998, 10:00 PM CST for 5 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 27, 1998, 10:00 PM CST (04:00 UTC)
Expired
Mar 28, 1998, 3:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 39 counties

Arkansas County, AR, Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Grant County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Carlisle County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Butler County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Stoddard County, MO, Tunica County, MS, Dyer County, TN, Lake County, TN, Lauderdale County, TN, Obion County, TN, Tipton County, TN

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 27, 10:06 PM CSTTornado WarningPAHMississippi, New Madrid39 min
Mar 27, 11:12 PM CSTSevere Thunderstorm WarningPAHButler33 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.0 hours before the alert went out and 117 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 00:00Z on 1998-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 764 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 00:00Z on 1998-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
764 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
760 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
320 m²/s²
Significant tornado parameter
1.3
Supercell composite
5.3

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 27, 7:00 PM CSTTornado WatchSPCClark, Cleburne, Cleveland, Conway, Dallas, Faulkner and 21 more4 hr
Mar 27, 8:45 PM CSTSevere Thunderstorm WatchSPCBallard, Caldwell, Carlisle, Christian, Crittenden, Daviess and 13 more4 hr
Mar 28, 1:00 AM CSTTornado WatchSPCBreckinridge, Daviess, Hancock, Henderson, McLean, Union and 1 more4 hr
Mar 28, 1:45 AM CSTTornado WatchSPCLincoln, Pike, Saint Charles, Warren3 hr

Nearby

Tornado Watches in Arkansas, 1998Tornado Watches in Missouri, 1998Tornado Watches in Tennessee, 1998Every tornado watch in 1998

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.