Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 200, NWS Hastings, NE

August 22, 2001Dawson County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Aug 22, 2001, 4:46 PM CDT for Dawson County, Nebraska. It was in force for 44 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
Aug 22, 2001, 4:46 PM CDT (21:46 UTC)
Expired
Aug 22, 2001, 5:30 PM CDT
In force
44 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Dawson County, NE

The radar

The Grand Island radar (KUEX), 131 km from the middle of the area, began a volume at 21:50 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

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 9.8 hours before the alert went out and 72 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, N. Platte/Lee Bi, NE at 12:00Z on 2001-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 94 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, N. Platte/Lee Bi, NE at 12:00Z on 2001-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
94 J/kg
Mixed-layer CIN
-372 J/kg
Mixed-layer LCL
1844 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
38 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.

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.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 22, 2:38 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Aug 22, 2:38 PM CDT, 2 hours 8 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
238 PM CDT WED AUG 22 2001

WEAK SURFACE BOUNDARY HUNG ALONG HIGHWAY 30 WITH INSTABILITY
INCREASING ACROSS THE REGION. HIGH BASED DEVELOPMENT ALONG
LINE FROM PHILLIPSBURG TO ABOUT HEBRON EVIDENT ON SATELLITE
AND OUTSIDE. BEST DEVELOPMENT WILL BE WEST INITIALLY WITH
BETTER CONVERGENCE...BUT MOVEMENT OF STORMS WILL BE EAST
OR EAST/NORTHEAST...AND INHIBITION WILL BE LOST WITH TIME.
WEAK ENHANCEMENT WITH WAVE LIFTING EAST AS WELL. SPC ISSUING
WATCH AT THIS MOMENT...AND WILL ADJUST OZF/ZFP PACKAGE FOR WATCH
AREA. WILL ISSUE ZFP PRODUCT ABOUT 3 PM TO ACCOUNT FOR THE NEW
WATCH.

IN THE THURSDAY TO THURSDAY NIGHT TIME FRAME...UPPER LOW
MOVEMENT APPEARS TOUCH SLOWER THAN PREVIOUS RUNS. IMPRESSIVE
PRECIPITABLE WATER VALUES OF 1.5 TO 2+ INCHES FOCUSED ALONG
THE BORDER AND ACROSS NORTH CENTRAL KANSAS. SYNOPTIC SCALE
LIFT SHOULD BE PLENTY TO WARRANT GOING ABOVE GUIDANCE POPS
AND CONTINUING WITH HIGH POPS. FEEL SOUTHERN AREAS HAVE
THE BEST SHOT...ALONG AND JUST NORTH OF LINGERING BOUNDARY.
HEAVY RAIN IS POSSIBLE IN SOME AREAS WITH SLOW MOVEMENT.
LINGERING SHOWERS LOOK REASONABLE EASTERN AREAS FRIDAY...
WITH SOME SOME CLEARING WORKING IN FROM THE WEST LATE.
TEMPERATURES HELD DOWN ACCORDINGLY.

MAY SEE SOME LINGERING CLOUDS/FOG EARLY SATURDAY...BUT BEYOND
THAT THINGS LOOK GOOD.

.GID...NONE.

MORITZ

In the hours before

Special weather statement, Aug 22, 11:00 AM CDT, 5 hours 46 minutes before
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Special weather statement, Aug 22, 2:55 PM CDT, 1 hour 51 minutes before
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    <section class="card" role="status" aria-live="polite">
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Hastings, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 9:42 PM CDTSevere Thunderstorm WarningGIDFurnas63 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2001Every severe thunderstorm warning in 2001

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.