Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 178, NWS North Platte, NE

July 4, 2003Cherry County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 4, 2003, 6:13 PM MDT for Cherry County, Nebraska. It was in force for 62 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: Jul 4, 2003, 6:13 PM MDT (00:13 UTC)
Expired: Jul 4, 2003, 7:15 PM MDT
In force: 62 min
Issued by: NWS North Platte, NE
Area: Counties, with a storm outline in the text

County Cherry County, NE

The radar

The North Platte radar (KLNX), 98 km from the middle of the area, began a volume at 00:13 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 00:00Z, 0.2 hours before the alert went out and 189 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: 2232 J/kg
Mixed-layer CIN: -121 J/kg
Mixed-layer LCL: 1773 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: -92 m²/s²
Significant tornado parameter: -0.1
Supercell composite: -4.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KLBF 050013
SVRLBF
NEC031-050115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
611 PM MDT FRI JUL 4 2003

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN CHERRY COUNTY IN NORTH CENTRAL NEBRASKA

* UNTIL 715 PM MDT(815 PM CDT)

* AT 608 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THE MOST DANGEROUS PART OF A SEVERE THUNDERSTORM ALONG A LINE
  EXTENDING FROM 23 MILES NORTH OF CROOKSTON TO 9 MILES NORTH OF
  ELI...MOVING SOUTHEAST AT 40 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  OVER NENZEL AROUND 635 PM MDT
  OVER KILGORE AROUND 640 PM MDT
  OVER CROOKSTON AROUND 745 PM CDT
  OVER VALENTINE AROUND 800 PM CDT
  OVER MERRITT RESERVOIR DAM AROUND 805 PM CDT

IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER IN A SMALL
INTERIOR ROOM AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST
PROTECTION.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY
TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4299 10025 4297 10164 4260 10162 4257 10024

$$

KAR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 7:14 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	61 min
Jul 4, 8:03 PM MDT	Severe Thunderstorm Warning	LBF	Brown	42 min
Jul 4, 8:12 PM MDT	Severe Thunderstorm Warning	LBF	Cherry	63 min
Jul 5, 5:35 AM MDT	Severe Thunderstorm Warning	LBF	Cherry, Sheridan	40 min
Jul 5, 6:16 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	59 min
Jul 5, 6:51 AM MDT	Severe Thunderstorm Warning	LBF	Cherry	24 min
Jul 5, 4:55 PM MDT	Tornado Warning	LBF	Cherry	35 min
Jul 5, 5:30 PM MDT	Tornado Warning	LBF	Cherry	60 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2003 Every severe thunderstorm warning in 2003

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.