Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 21, NWS Hastings, NE

May 5, 2002Nance County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at May 5, 2002, 6:52 PM CDT for Nance County, Nebraska. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 5, 2002, 6:52 PM CDT (23:52 UTC)
Expired: May 5, 2002, 7:30 PM CDT
In force: 38 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Nance County, NE

The radar

The Grand Island radar (KUEX), 127 km from the middle of the area, began a volume at 23:52 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 watch it was issued in

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

Issued	Product	Office	Lasted
May 5, 4:30 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 11.9 hours before the alert went out and 127 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1239 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 052352
SVRGRI
NEC125-060030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
651 PM CDT SUN MAY 5 2002

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN NANCE COUNTY IN CENTRAL NEBRASKA

* UNTIL 730 PM CDT

* AT 647 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 9 MILES SOUTHEAST OF FULLERTON...MOVING
  NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GENOA AT 700 PM CDT

PEOPLE IN EASTERN NANCE COUNTY SHOULD SEEK SHELTER IN A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

THE PRIMARY SEVERE WEATHER THREAT IS LARGE HAIL THE SIZE OF QUARTERS.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

LAT...LON 4130 9801 4133 9775 4149 9773 4149 9797

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 4:19 PM CDT	Severe Thunderstorm Warning	GID	Franklin	56 min
May 5, 5:06 PM CDT	Severe Thunderstorm Warning	GID	Webster	54 min
May 5, 5:19 PM CDT	Severe Thunderstorm Warning	GID	Adams	41 min
May 5, 5:31 PM CDT	Tornado Warning	GID	Webster	44 min
May 5, 5:42 PM CDT	Severe Thunderstorm Warning	GID	Clay, Hall, Hamilton	63 min
May 5, 6:01 PM CDT	Severe Thunderstorm Warning	GID	Merrick	59 min
May 5, 6:12 PM CDT	Tornado Warning	GID	Merrick	48 min
May 5, 6:16 PM CDT	Tornado Warning	GID	Nuckolls, Webster	44 min
May 5, 6:24 PM CDT	Severe Thunderstorm Warning	GID	Kearney	51 min
May 5, 6:54 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	51 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002 Every severe thunderstorm warning in 2002

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.