Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 211, NWS Little Rock, AR

June 27, 1997Boone County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jun 27, 1997, 4:48 PM CDT for Boone County, Arkansas. It was in force for 47 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
Jun 27, 1997, 4:48 PM CDT (21:48 UTC)
Expired
Jun 27, 1997, 5:35 PM CDT
In force
47 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Boone County, AR

The radar

The Springfield radar (KSGF), 107 km from the middle of the area, began a volume at 21:47 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 12:00Z, 9.8 hours before the alert went out and 91 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 1997-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 341 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 12:00Z on 1997-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
341 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 2:19 PM CDTSevere Thunderstorm WarningLZKJackson36 min
Jun 27, 2:32 PM CDTSevere Thunderstorm WarningLZKMarion28 min
Jun 27, 3:05 PM CDTSevere Thunderstorm WarningLZKBaxter45 min
Jun 27, 3:12 PM CDTSevere Thunderstorm WarningLZKMarion48 min
Jun 27, 4:18 PM CDTSevere Thunderstorm WarningLZKIzard, Sharp47 min
Jun 27, 4:41 PM CDTSevere Thunderstorm WarningLZKWhite49 min
Jun 27, 4:57 PM CDTSevere Thunderstorm WarningLZKIndependence48 min
Jun 27, 5:17 PM CDTSevere Thunderstorm WarningLZKJackson58 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1997Every severe thunderstorm warning in 1997

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.