Alert archive / Kansas / Special Weather Statements in 2012

Special Weather Statement, NWS Wichita, KS

May 7, 2012Montgomery County, Kansas

NWS Wichita, KS issued this special weather statement at May 7, 2012, 12:40 AM CDT for Montgomery County, Kansas. It was in force for 35 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
May 7, 2012, 12:40 AM CDT (05:40 UTC)
Expired
May 7, 2012, 1:15 AM CDT
In force
35 min
Issued by
NWS Wichita, KS

County Montgomery County, KS

The radar

The Tulsa radar (KINX), 108 km from the middle of the area, began a volume at 05:40 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

Springfield, MO (KSGF), launched 00:00Z, 5.7 hours before the alert went out and 183 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, Springfield, MO at 00:00Z on 2012-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 768 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, Springfield, MO at 00:00Z on 2012-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
768 J/kg
Mixed-layer CIN
-171 J/kg
Mixed-layer LCL
1686 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
47 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.

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What forecasters said that day

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

NWS Wichita, KS wrote its last area forecast discussion before this special weather statement went out at May 7, 12:11 AM CDT, 29 minutes earlier.

Area forecast discussion, May 7, 12:11 AM CDT, 29 minutes before
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Hazardous weather outlook, May 7, 12:03 AM CDT, 37 minutes before
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In the hours before

Special weather statement, May 6, 7:10 PM CDT, 5 hours 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
710 PM CDT SUN MAY 6 2012

KSZ053-070045-
CHASE-
710 PM CDT SUN MAY 6 2012

...THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR CHASE COUNTY...

AT 706 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 5 MILES SOUTHEAST OF COTTONWOOD FALLS...OR NEAR
COTTONWOOD FALLS AND MOVING NORTHEAST AT 15 MPH.

NICKEL SIZED HAIL AND WINDS TO 50 MPH ARE POSSIBLE WITH THIS STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THE STORMS INTENSIFY AND
BECOME SEVERE OR A WARNING IS ISSUED BY THE NATIONAL WEATHER SERVICE.

&&

LAT...LON 3826 9635 3819 9650 3833 9664 3853 9636
      3852 9635
TIME...MOT...LOC 0009Z 232DEG 13KT 3831 9647

ES
Special weather statement, May 6, 7:48 PM CDT, 4 hours 52 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WICHITA KS
748 PM CDT SUN MAY 6 2012

KSZ053-069-070-070115-
BUTLER-CHASE-GREENWOOD-
748 PM CDT SUN MAY 6 2012

...THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR BUTLER...CHASE AND GREENWOOD COUNTIES...

AT 745 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRENGTHENING THUNDERSTORM 8 MILES SOUTHEAST OF MATFIELD GREEN OR
19 MILES NORTHWEST OF EUREKA...AND MOVING NORTHEAST AT 15 MPH.

NICKEL SIZED HAIL AND WINDS TO 50 MPH ARE POSSIBLE WITH THIS STORM.

BE PREPARED TO TAKE SHELTER IN THE EVENT THE STORMS INTENSIFY AND
BECOME SEVERE...OR A WARNING IS ISSUED BY THE NATIONAL WEATHER
SERVICE.

&&

LAT...LON 3794 9649 3808 9663 3827 9636 3826 9635
      3818 9635 3818 9623 3811 9616
TIME...MOT...LOC 0048Z 232DEG 13KT 3806 9647

ES
Special weather statement, May 6, 11:57 PM CDT, 43 minutes before
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Special weather statement, May 7, 12:40 AM CDT, 0 minutes before
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The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:10 PM CDTSpecial Weather StatementICTChase35 min
May 6, 7:48 PM CDTSpecial Weather StatementICTChase27 min
May 6, 7:54 PM CDTSevere Thunderstorm WarningICTChase, Greenwood51 min
May 6, 11:57 PM CDTSpecial Weather StatementICTChautauqua33 min
May 7, 3:15 AM CDTSpecial Weather StatementICTLabette60 min

Nearby

Special Weather Statements in Kansas, 2012Every special weather statement in 2012

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.