Alert archive / Nebraska / Tornado Warnings in 2000

Tornado Warning 25, NWS Hastings, NE

July 20, 2000Merrick County, Nance County, Nebraska

NWS Hastings, NE issued this tornado warning at Jul 20, 2000, 12:34 AM CDT for Merrick County, Nance County, Nebraska. It was in force for 26 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: Jul 20, 2000, 12:34 AM CDT (05:34 UTC)
Expired: Jul 20, 2000, 1:00 AM CDT
In force: 26 min
Issued by: NWS Hastings, NE
Area: Whole counties

Counties Merrick County, NE, Nance County, NE

The radar

The Grand Island radar (KUEX), 113 km from the middle of the area, began a volume at 05:34 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

Omaha, NE (KOAX), launched 00:00Z, 5.6 hours before the alert went out and 137 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: 761 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 103 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KGID 200534
TORGRI
NEC121-125-200600-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1234 AM CDT THU JUL 20 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHWESTERN NANCE COUNTY IN CENTRAL NEBRASKA
  NORTHERN MERRICK COUNTY IN CENTRAL NEBRASKA

* UNTIL 100 AM CDT

* AT 1228 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  DEVELOPING TORNADO 10 MILES WEST OF FULLERTON...OR ABOUT 30 MILES
  NORTH OF GRAND ISLAND...MOVING SOUTHEAST AT 35 MPH.

* TORNADO IS EXPECTED TO BE NEAR...
  CENTRAL CITY AT 1255 AM CDT

PEOPLE IN SOUTHWESTERN NANCE AND NORTHERN MERRICK COUNTIES SHOULD
TAKE SHELTER IMMEDIATELY IN A BASEMENT OR SMALL INTERIOR ROOM ON THE
LOWEST FLOOR.

NEVER TRY TO OUTRUN A TORNADO. IF IN A VEHICLE...LEAVE IT IMMEDIATELY
AND GET INSIDE A STURDY SHELTER. IF NO SHELTER IS AVAILABLE...LIE
FLAT IN THE NEAREST DITCH AND COVER YOUR HEAD WITH YOUR HANDS.

$$

LAT...LON 4144 9814 4129 9827 4109 9800 4125 9775

09

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 19, 10:50 PM CDT	Severe Thunderstorm Warning	GID	Furnas	40 min
Jul 19, 10:53 PM CDT	Severe Thunderstorm Warning	GID	Sherman	52 min
Jul 19, 11:37 PM CDT	Severe Thunderstorm Warning	GID	Howard	38 min
Jul 20, 12:02 AM CDT	Severe Thunderstorm Warning	GID	Greeley	43 min
Jul 20, 12:04 AM CDT	Severe Thunderstorm Warning	GID	Merrick, Nance	41 min
Jul 20, 12:28 AM CDT	Tornado Warning	GID	Greeley, Howard	32 min
Jul 20, 1:01 AM CDT	Severe Thunderstorm Warning	GID	Howard, Merrick	44 min
Jul 20, 4:03 PM CDT	Severe Thunderstorm Warning	GID	Furnas	42 min
Jul 20, 4:43 PM CDT	Severe Thunderstorm Warning	GID	Furnas	62 min
Jul 20, 4:49 PM CDT	Tornado Warning	GID	Furnas	41 min
Jul 20, 5:12 PM CDT	Severe Thunderstorm Warning	GID	Gosper	48 min
Jul 20, 5:48 PM CDT	Severe Thunderstorm Warning	GID	Phelps	57 min
Jul 20, 6:00 PM CDT	Severe Thunderstorm Warning	GID	Gosper	30 min
Jul 20, 6:17 PM CDT	Severe Thunderstorm Warning	GID	Harlan	58 min
Jul 20, 6:45 PM CDT	Severe Thunderstorm Warning	GID	Kearney, Phelps	45 min

Nearby

Tornado Warnings in Nebraska, 2000 Every tornado warning in 2000 Tornadoes 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.