Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 13, NWS Omaha, NE

May 7, 2000Wayne County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 7, 2000, 11:33 PM CDT for Wayne County, Nebraska. It was in force for 42 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
May 7, 2000, 11:33 PM CDT (04:33 UTC)
Expired
May 8, 2000, 12:15 AM CDT
In force
42 min
Issued by
NWS Omaha, NE
Area
Whole counties

County Wayne County, NE

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 7, 10:00 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.6 hours before the alert went out and 117 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, Omaha, NE at 00:00Z on 2000-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2120 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 2000-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.193958Sfc1 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
2120 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

506 
WUUS53 KOAX 080433
SVROMA
NEC179-080515-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA NE
1133 PM CDT SUN MAY 7 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WAYNE COUNTY IN NORTHEAST NEBRASKA

* UNTIL 1215 AM CDT

* AT 1133 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF SEVERE THUNDERSTORMS FROM 4 MILES NORTH OF CARROLL TO
  10 MILES SOUTHWEST OF WINSIDE...OR FROM 5 TO 25 MILES NORTHEAST OF
  NORFOLK...MOVING EAST AT 30 MPH.

* SOME LOCATIONS IN THE PATH OF THE STORM THROUGH 1215 AM CDT
  INCLUDE...
  WAYNE...WINSIDE AND CARROLL

THE SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING...DAMAGING WINDS 
GREATER THAN 60 MILES AN HOUR...HEAVY RAIN AND HAIL.

GO INSIDE A STURDY BUILDING AWAY FROM WINDOWS.  REPORT SEVERE WEATHER 
TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT 
TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN OMAHA.

$$

MILLER

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 10:16 PM CDTSevere Thunderstorm WarningOAXAntelope, Knox59 min
May 7, 10:44 PM CDTSevere Thunderstorm WarningOAXKnox46 min
May 7, 11:09 PM CDTSevere Thunderstorm WarningOAXCedar, Knox51 min
May 7, 11:29 PM CDTSevere Thunderstorm WarningOAXMadison, Platte46 min
May 8, 12:20 AM CDTSevere Thunderstorm WarningOAXColfax40 min
May 8, 1:07 AM CDTSevere Thunderstorm WarningOAXButler, Lancaster, Saunders, Seward53 min
May 8, 1:58 AM CDTSevere Thunderstorm WarningOAXButler, Saline, Seward47 min
May 8, 2:28 AM CDTSevere Thunderstorm WarningOAXLancaster, Saunders47 min
May 8, 2:41 AM CDTSevere Thunderstorm WarningOAXGage, Johnson, Otoe49 min
May 8, 2:41 AM CDTSevere Thunderstorm WarningOAXPawnee49 min
May 8, 3:00 AM CDTSevere Thunderstorm WarningOAXCass, Sarpy, Saunders45 min
May 8, 3:17 AM CDTTornado WarningOAXNemaha, Otoe28 min
May 8, 3:29 AM CDTSevere Thunderstorm WarningOAXRichardson31 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning 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.