Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 1, NWS Aberdeen, SD

April 25, 1994Miner County, Sanborn County, South Dakota

NWS Aberdeen, SD issued this severe thunderstorm warning at Apr 25, 1994, 7:46 PM CDT for Miner County, Sanborn County, South Dakota. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Apr 25, 1994, 7:46 PM CDT (00:46 UTC)
Expired
Apr 25, 1994, 8:15 PM CDT
In force
29 min
Issued by
NWS Aberdeen, SD
Area
Whole counties

Counties Miner County, SD, Sanborn County, SD

The nearest sounding before it

Aberdeen, SD (KHON), launched 00:00Z, 0.8 hours before the alert went out and 107 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, Aberdeen, SD at 00:00Z on 1994-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Aberdeen, SD at 00:00Z on 1994-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.1939587897Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
604 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
437 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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.

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.

In the hours before

Special weather statement, Apr 25, 5:12 PM CDT, 2 hours 34 minutes before
SDZ003-004-009-015-016-260200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABERDEEN SD
510 PM CDT MON APR 25 1994

...WINTER WEATHER RETURNS TO NORTHCENTRAL SOUTH DAKOTA...

A WINTER STORM WATCH IS IN EFFECT FOR THE COUNTIES ON EITHER SIDE OF
THE MISSOURI RIVER IN NORTHCENTRAL SOUTH DAKOTA ON TUESDAY. THE COUNTIES
INCLUDE CORSON...CAMPBELL...DEWEY...WALWORTH AND POTTER. SOME COMMUNITIES
INCLUDED IN THIS WATCH ARE MOBRIDGE...MCINTOSH...TIMBER LAKE...GETTYSBURG
SELBY AND MOUND CITY.

A STRONG LOW PRESSURE SYSTEM IN THE CENTRAL PLAINS WILL MOVE NORTHEAST
TONIGHT AND TUESDAY.  RAIN IS EXPECTED TO BECOME MIXED WITH SNOW TONIGHT
AND CHANCE TO SNOW TONIGHT AND TUESDAY. TOTAL ACCUMULATIONS OF 6 INCHES OR
MORE ARE POSSIBLE. STRONG NORTHERLY WINDS ARE EXPECTED AT 25 TO 40 MPH WHICH
MAY CAUSE NEAR BLIZZARD CONDITIONS ALONG WITH WIND CHILL READINGS IN THE
SINGLE DIGITS.
>
RESIDENTS AND THOSE PLANNING TRAVEL IN THESE AREAS SHOULD BE READzY FOR
THE ADVERSE WINTER WEATHER. LIVESTOCK OWNERS MAY NEED TO TAKE EXTRA STEPS
TO PROTECT YOUNG LIVESTOCK AS THESE CONDITIONS WILL BE STRESSFUL. STAY
TUNED TO YOUR LOCAL RADIO AND TV FOR LATER STATEMENTS.

NIELSEN

The office that day

Everything else NWS Aberdeen, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 25, 8:45 PM CDTSevere Thunderstorm WarningABRClark20 min

Nearby

Severe Thunderstorm Warnings in South Dakota, 1994Every severe thunderstorm warning in 1994

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.