Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 21, NWS Omaha, NE

May 8, 2000Richardson County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at May 8, 2000, 3:29 AM CDT for Richardson County, Nebraska. It was in force for 31 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 8, 2000, 3:29 AM CDT (08:29 UTC)
Expired: May 8, 2000, 4:00 AM CDT
In force: 31 min
Issued by: NWS Omaha, NE
Area: Whole counties

County Richardson County, NE

The radar

The Topeka radar (KTWX), 133 km from the middle of the area, began a volume at 08:32 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

Topeka, KS (KTOP), launched 00:00Z, 8.5 hours before the alert went out and 125 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: 1117 J/kg
Mixed-layer CIN: -330 J/kg
Mixed-layer LCL: 1243 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KOAX 080830
SVROMA
NEC147-080900-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA NE
329 AM CDT MON MAY 8 2000

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RICHARDSON COUNTY IN SOUTHEAST NEBRASKA
  THIS INCLUDES THE CITY OF FALLS CITY

* UNTIL 400 AM CDT

* AT 323 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 6 MILES NORTH OF HUMBOLDT TO 11
  MILES SOUTH OF HUMBOLDT...OR FROM 22 MILES NORTHWEST OF FALLS CITY
  TO 20 MILES WEST OF FALLS CITY...MOVING EAST AT 45 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  STELLA AT 335 AM CDT
  SHUBERT. 340 AM CDT
  FALLS CITY AT 345 AM CDT
  PRESTON AT 350 AM CDT
  RULO AT 400 AM CDT

THE SEVERE THUNDERSTORMS ARE CAPABLE OF PRODUCING...
WINDS UP TO 60 MILES AN HOUR.

IF SEVERE WEATHER APPROACHES YOUR AREA...GO INSIDE A STURDY SHELTER
AWAY FROM CREEK BEDS AND OTHER FLOOD-PRONE AREAS. REMEMBER...A SEVERE
THUNDERSTORM CAN PRODUCE LARGE DAMAGING HAIL...DAMAGING WINDS IN
EXCESS OF 55 MPH...DEADLY LIGHTNING...AND VERY HEAVY RAIN.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN OMAHA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT MONDAY
MORNING FOR SOUTHWESTERN IOWA AND SOUTHEASTERN NEBRASKA.

LAT...LON 4025 9595 4001 9596 4000 9540 4024 9553


NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 10:16 PM CDT	Severe Thunderstorm Warning	OAX	Antelope, Knox	59 min
May 7, 10:44 PM CDT	Severe Thunderstorm Warning	OAX	Knox	46 min
May 7, 11:09 PM CDT	Severe Thunderstorm Warning	OAX	Cedar, Knox	51 min
May 7, 11:29 PM CDT	Severe Thunderstorm Warning	OAX	Madison, Platte	46 min
May 7, 11:33 PM CDT	Severe Thunderstorm Warning	OAX	Wayne	42 min
May 8, 12:20 AM CDT	Severe Thunderstorm Warning	OAX	Colfax	40 min
May 8, 1:07 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Lancaster, Saunders, Seward	53 min
May 8, 1:58 AM CDT	Severe Thunderstorm Warning	OAX	Butler, Saline, Seward	47 min
May 8, 2:28 AM CDT	Severe Thunderstorm Warning	OAX	Lancaster, Saunders	47 min
May 8, 2:41 AM CDT	Severe Thunderstorm Warning	OAX	Gage, Johnson, Otoe	49 min
May 8, 2:41 AM CDT	Severe Thunderstorm Warning	OAX	Pawnee	49 min
May 8, 3:00 AM CDT	Severe Thunderstorm Warning	OAX	Cass, Sarpy, Saunders	45 min
May 8, 3:17 AM CDT	Tornado Warning	OAX	Nemaha, Otoe	28 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000 Every 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; radar from the NEXRAD Level II archive.