Alert archive / Kansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 230, NWS Hastings, NE

September 7, 2001Mitchell County, Kansas

NWS Hastings, NE issued this severe thunderstorm warning at Sep 7, 2001, 2:43 AM CDT for Mitchell County, Kansas. It was in force for 47 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 7, 2001, 2:43 AM CDT (07:43 UTC)
Expired
Sep 7, 2001, 3:30 AM CDT
In force
47 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Mitchell County, KS

The watch it was issued in

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

IssuedProductOfficeLasted
Sep 7, 1:30 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 7.7 hours before the alert went out and 226 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, Topeka, KS at 00:00Z on 2001-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1055 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, Topeka, KS at 00:00Z on 2001-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 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
1055 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1314 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 7, 2:00 AM CDT, 43 minutes earlier.

Area forecast discussion, Sep 7, 2:00 AM CDT, 43 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
200 AM CDT FRI SEP 7 2001

SHORT AFD DUE TO SVR WX PASSING THRU AND NEW WATCH ISSUED. COLD
FRONT CUTTING ACROSS THE STATE THIS MORNING SETTING OFF WIDE SPREAD
CONVECTION. LINE OF SEVERE STORMS WILL CONTINUE TO PROGRESS EAST
THRU THE MORNING. LOOKING ONLY AT ETA...SHOWERS AND THUNDERSTORMS
SHOULD LINGER THRU MOST OF THE DAY...SO GOING CATEGORICAL.

MUCH COOLER TEMPS IN STORE FOR THE AREA THRU SUNDAY. GUIDANCE HIGHS
TODAY A BIT UNREALISTIC SO WILL GO COOLER. GUIDANCE HIGHS AND LOWS
AFTERWARDS ARE IN THE BALL PARK FOR THE MOST PART.

MODELS IN AGREEMENT THAT CLOUDS STAY THICK THRU AT LEAST SUNDAY.

NO CHANGES TO THE EXTENDED.

.GID...NONE.

DEE

In the hours before

Local storm report, Sep 7, 12:12 AM CDT, 2 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1212 AM CDT FRI SEP 07 2001

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1200 AM    ELWOOD                    NE    .75 INCH HAIL
09/07/01   GOSPER                          REPORTED BY LAW
                                           ENFORCEMENT OFFICIALS

GUYER
Local storm report, Sep 7, 12:47 AM CDT, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
1247 AM CDT FRI SEP 07 2001

TIME(CDT)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1240 AM    9 W ORD                   NE    .75 INCH HAIL
09/07/01   VALLEY                          REPORTED BY LAW
                                           ENFORCEMENT OFFICIALS

GUYER
Special weather statement, Sep 7, 2:13 AM CDT, 30 minutes before
NEZ039-040-046-047-060-061-072>074-082-083-070745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HASTINGS NE
213 AM CDT FRI SEP 7 2001

...SEVERE THUNDERSTORM WATCH NUMBER 711 IN EFFECT UNTIL 2 AM FOR
PORTIONS OF SOUTH CENTRAL NEBRASKA HAS EXPIRED...

SHOWERS AND THUNDERSTORMS WILL PERSIST ACROSS THE AREA THROUGH THE
REST OF THE MORNING HOURS...BUT SEVERE WEATHER IS NO LONGER
ANTICIPATED.

IF YOU HAVE DAMAGE TO REPORT DUE TO SEVERE WEATHER...PLEASE CONTACT
LOCAL LAW OFFICIALS...WHO WILL THEN RELAY THE INFORMATION TO THE
HASTINGS NATIONAL WEATHER SERVICE.

DEE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 11:27 PM CDTSevere Thunderstorm WarningGIDGosper48 min
Sep 7, 12:15 AM CDTSevere Thunderstorm WarningGIDDawson, Gosper45 min
Sep 7, 12:25 AM CDTSevere Thunderstorm WarningGIDValley50 min
Sep 7, 12:50 AM CDTSevere Thunderstorm WarningGIDBuffalo, Sherman40 min
Sep 7, 1:03 AM CDTSevere Thunderstorm WarningGIDGreeley, Howard57 min
Sep 7, 1:03 AM CDTSevere Thunderstorm WarningGIDPhelps27 min
Sep 7, 2:56 AM CDTSevere Thunderstorm WarningGIDPolk34 min
Sep 7, 1:20 AM CDTSevere Thunderstorm WarningGIDPhillips, Rooks55 min
Sep 7, 1:52 AM CDTSevere Thunderstorm WarningGIDOsborne, Smith53 min
Sep 7, 4:14 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell46 min
Sep 7, 5:08 PM CDTSevere Thunderstorm WarningGIDJewell52 min
Sep 7, 5:29 PM CDTSevere Thunderstorm WarningGIDMitchell61 min

Nearby

Severe Thunderstorm Warnings in Kansas, 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.