Alert archive / Nebraska / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 617

July 24, 200020 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 24, 2000, 10:00 PM CDT for 20 counties in Nebraska. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jul 24, 2000, 10:00 PM CDT (03:00 UTC)
Expired
Jul 25, 2000, 2:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center

Counties Adams County, NE, Buffalo County, NE, Custer County, NE, Dawson County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Lincoln County, NE, Logan County, NE, Phelps County, NE, Red Willow County, NE, Sherman County, NE, Valley County, NE, Webster County, NE

The radar

The North Platte radar (KLNX), 119 km from the middle of the area, began a volume at 03:00 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jul 24, 10:39 PM CDTTornado WarningLBFCuster66 min
Jul 24, 11:22 PM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson53 min
Jul 24, 11:31 PM CDTSevere Thunderstorm WarningGIDSherman44 min
Jul 24, 11:45 PM CDTSevere Thunderstorm WarningLBFCuster30 min
Jul 25, 12:03 AM CDTSevere Thunderstorm WarningGIDKearney, Phelps42 min
Jul 25, 12:12 AM CDTSevere Thunderstorm WarningGIDBuffalo63 min
Jul 25, 12:16 AM CDTSevere Thunderstorm WarningGIDDawson29 min
Jul 25, 12:23 AM CDTTornado WarningGIDDawson37 min
Jul 25, 12:45 AM CDTSevere Thunderstorm WarningGIDKearney45 min
Jul 25, 12:56 AM CDTSevere Thunderstorm WarningGIDPhelps49 min
Jul 25, 1:10 AM CDTSevere Thunderstorm WarningGIDBuffalo35 min
Jul 25, 1:15 AM CDTFlash Flood WarningGIDKearney5 hr
Jul 25, 1:19 AM CDTSevere Thunderstorm WarningGIDFranklin, Harlan56 min
Jul 25, 1:19 AM CDTTornado WarningGIDPhelps41 min
Jul 25, 1:25 AM CDTSevere Thunderstorm WarningGIDKearney50 min
Jul 25, 1:29 AM CDTFlash Flood WarningGIDFranklin3 hr
Jul 25, 1:46 AM CDTTornado WarningGIDKearney29 min

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 3.0 hours before the alert went out and 68 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 00:00Z on 2000-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2383 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, N. Platte/Lee Bi, NE at 00:00Z on 2000-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 square meters per square second.19395878Sfc1 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
2383 J/kg
Mixed-layer CIN
-23 J/kg
Mixed-layer LCL
2608 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.5

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.

Nearby

Severe Thunderstorm Watches in Nebraska, 2000Every severe thunderstorm watch in 2000

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.