Alert archive / Nebraska / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 236, NWS Hastings, NE

September 22, 2001Kearney County, Phelps County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Sep 22, 2001, 12:32 AM CDT for Kearney County, Phelps County, Nebraska. It was in force for 43 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
Sep 22, 2001, 12:32 AM CDT (05:32 UTC)
Expired
Sep 22, 2001, 1:15 AM CDT
In force
43 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Kearney County, NE, Phelps County, NE

The radar

The Grand Island radar (KUEX), 66 km from the middle of the area, began a volume at 05:36 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, 5.5 hours before the alert went out and 138 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, N. Platte/Lee Bi, NE at 00:00Z on 2001-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 805 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2001-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
805 J/kg
Mixed-layer CIN
-167 J/kg
Mixed-layer LCL
1911 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

868 
WUUS53 KGID 220532
SVRGRI
NEC099-137-220615-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1232 AM CDT SAT SEP 22 2001

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN KEARNEY COUNTY IN SOUTH CENTRAL NEBRASKA
  EASTERN PHELPS COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 115 AM CDT

* AT 1230 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 10 MILES NORTH OF FUNK...OR ABOUT 11 MILES
  NORTH OF HOLDREGE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  FUNK AT 1240 AM CDT
  AXTELL AT 1250 AM CDT
  MINDEN AT 105 AM CDT

PEOPLE IN WESTERN KEARNEY AND EASTERN PHELPS COUNTIES SHOULD SEEK
SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

THE PRIMARY SEVERE WEATHER THREAT IS LARGE HAIL OF ONE INCH IN
DIAMETER OR MORE.

$$

FAY


LAT...LON 4066 9944 4037 9946 4036 9887 4061 9887

NNNN

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 21, 2:30 PM CDT, 10 hours 2 minutes earlier.

Area forecast discussion, Sep 21, 2:30 PM CDT, 10 hours 2 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
230 PM CDT FRI SEP 21 2001

...FOCUS WILL BE ON PRECIP CHANCES TONIGHT AND SATURDAY FOLLOWED BY
COOLER TEMPS IN LATER PERIODS...

MORNING SUBJECTIVE ANALYSIS CONTINUED TO SHOW LOW MOVING OVER LAKE
MICHIGAN WITH WEAK RIDGING OVER WESTERN CONUS.  SIGNIFICANT FEATURES
OF NOTE INCLUDE H5/H7 SHORTWAVE OVER NORTHWEST COLORADO WITH POTENT
TROUGH ENTERING PACIFIC NORTHWEST COAST. MOVEMENT OF THE WAVE
UPSTREAM OF ROCKIES A CHALLENGE IN SATELLITE PIX WITH RELATIVELY DRY
ENVIRONMENT. AT THE SURFACE HIGH PRESSURE OVERHEAD AT 18Z WITH LEE
TROUGH CONTINUING TO DEVELOP OVER ERN COLO. MOISTURE RETURN EVIDENT
DURING MORNING HOURS IN WRN KS WITH DEWPOINTS IN LOW TO MID 60S.

12Z RUN OF ETA/AVN MODELS IN CLOSE AGREEMENT THROUGH NEXT 36 HRS.
INITIAL PERIOD TEMPS AND FEATURES ALSO IN LINE WITH UPPER AIR
ANALYSIS AND HAVE MESHED THESE OUTPUT FOR EARLY PERIODS OF FCST
PACKAGE WITH WARMER ETA FAVORED IN LATER PERIODS. IN SPITE OF DRY
NWP SOLUTIONS TONIGHT...SLIGHT POPS STILL WORTHY OF MENTION IN ERN
CWFA WITH H85 LL JET PROGGED TO TIP 35KT WITH WAA UNDERWAY FROM
06-09Z.  SHORTWAVE WILL HELP PROVIDE LIFT...BUT MOISTURE WILL BE
RATHER LIMITED IN MID LEVELS. ANY TSRA TONIGHT WILL BE OF ELEVATED
AND ISOLATED NATURE. 16Z SWODY1 SCALED BACK TO GENERAL CATEGORY
BASED ON WEAK WAA.  BY SAT EVE POST-FRONTAL POPS EXPECTED TO BE MOST
FAVORABLE IN SE ZONES WITH BETTER MOISTURE IN PLACE AFTER 00Z. WITH
GOOD RUN TO RUN CONTINUITY ESTABLISHED...WILL INCREASE POPS TO
LIKELY MENTION...BUT WILL KEEP SLIGHT CHANCE IN ERN ZONES FOR SUN
AM...DESPITE POOR CONFIDENCE IN TIMING OF EXITING SYSTEM.

TEMPS BEGIN TO TAKE DIVE SUNDAY IN NRLY FLOW AS AIRMASS DRIES OUT
THROUGH DAY. HOWEVER...NOT BUYING IN TO NEAR-FREEZE FAN GUIDANCE SUN
NIGHT...BUT WILL TRIM BACK A BIT FROM GOING FCST.  OTHERWISE...REST
OF EXTENDED PERIOD LOOKS DRY AND COOL WITH MODERATING TEMPS TOWARD
END OF WEEK.

THANKS FOR COORDINATION TOP.

.GID...NONE.

33

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 22, 3:41 AM CDTSevere Thunderstorm WarningGIDHamilton49 min
Sep 22, 4:19 AM CDTSevere Thunderstorm WarningGIDClay41 min
Sep 22, 4:59 AM CDTSevere Thunderstorm WarningGIDHamilton46 min
Sep 22, 5:00 AM CDTSevere Thunderstorm WarningGIDClay45 min
Sep 22, 5:37 AM CDTSevere Thunderstorm WarningGIDFillmore53 min
Sep 22, 7:31 AM CDTSevere Thunderstorm WarningGIDFillmore44 min
Sep 22, 6:59 PM CDTTornado WarningGIDClay, Fillmore46 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2001Every severe thunderstorm warning in 2001

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.