Alert archive / Nebraska / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 541

July 5, 2000Phillips County, Sedgwick County, Yuma County, Colorado; 7 counties in Kansas; 21 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 5, 2000, 5:45 PM MDT for Phillips County, Sedgwick County, Yuma County, Colorado; 7 counties in Kansas; 21 counties in Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 5, 2000, 5:45 PM MDT (23:45 UTC)
Expired
Jul 5, 2000, 11:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center
All 31 counties

Phillips County, CO, Sedgwick County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Graham County, KS, Rawlins County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Arthur County, NE, Box Butte County, NE, Chase County, NE, Cheyenne County, NE, Dawes County, NE, Deuel County, NE, Dundy County, NE, Frontier County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Red Willow County, NE, Sheridan County, NE, Sioux County, NE

The radar

The North Platte radar (KLNX), 156 km from the middle of the area, began a volume at 23:45 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

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

IssuedProductOfficeCountiesLasted
Jul 5, 6:14 PM MDTTornado WarningGLDHitchcock61 min
Jul 5, 6:15 PM MDTSevere Thunderstorm WarningCYSScotts Bluff, Sioux45 min
Jul 5, 6:59 PM MDTSevere Thunderstorm WarningCYSCheyenne46 min
Jul 5, 7:13 PM MDTSevere Thunderstorm WarningGLDHitchcock62 min
Jul 5, 7:23 PM MDTSevere Thunderstorm WarningLBFHayes, Lincoln67 min
Jul 5, 7:28 PM MDTSevere Thunderstorm WarningCYSCheyenne47 min
Jul 5, 7:40 PM MDTTornado WarningBOULogan, Sedgwick65 min
Jul 5, 8:25 PM MDTSevere Thunderstorm WarningLBFLincoln65 min
Jul 5, 8:28 PM MDTTornado WarningBOULogan, Phillips, Sedgwick62 min
Jul 5, 8:34 PM MDTSevere Thunderstorm WarningLBFFrontier56 min
Jul 5, 9:11 PM MDTSevere Thunderstorm WarningGLDRed Willow49 min
Jul 5, 9:14 PM MDTTornado WarningBOULogan, Phillips, Sedgwick46 min
Jul 5, 9:56 PM MDTTornado WarningBOUPhillips34 min

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.8 hours before the alert went out and 144 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 2000-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2721 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 2000-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
2721 J/kg
Mixed-layer CIN
-274 J/kg
Mixed-layer LCL
997 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
6 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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
Jul 5, 2:00 PM MDTSevere Thunderstorm WatchSPCDoniphan4 hr
Jul 5, 9:30 AM MDTSevere Thunderstorm WatchSPCAntelope, Boone, Burt, Butler, Cass, Colfax and 22 more5 hr

Nearby

Severe Thunderstorm Watches in Nebraska, 2000Severe Thunderstorm Watches in Kansas, 2000Severe Thunderstorm Watches in Colorado, 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.