Alert archive / Kansas / Special Weather Statements in 2021

Special Weather Statement, NWS Springfield, MO

September 7, 2021Bourbon County, Kansas

NWS Springfield, MO issued this special weather statement at Sep 7, 2021, 6:24 PM CDT for Bourbon County, Kansas. It was in force for 36 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: Sep 7, 2021, 6:24 PM CDT (23:24 UTC)
Expired: Sep 7, 2021, 7:00 PM CDT
In force: 36 min
Issued by: NWS Springfield, MO
Hail: 0.88 in
Wind: 50

County Bourbon County, KS

The radar

The Pleasant Hill radar (KEAX), 112 km from the middle of the area, began a volume at 23:27 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 12:00Z, 11.4 hours before the alert went out and 145 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: 2066 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 26 m²/s²
0-3 km storm-relative helicity: 81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Springfield, MO wrote its last area forecast discussion before this special weather statement went out at Sep 7, 3:06 PM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, Sep 7, 3:06 PM CDT, 3 hours 18 minutes before

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Hazardous weather outlook, Sep 7, 2:32 PM CDT, 3 hours 52 minutes before

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In the hours before

Special weather statement, Sep 7, 6:24 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Springfield MO
624 PM CDT Tue Sep 7 2021

KSZ073-080000-
Bourbon KS-
624 PM CDT Tue Sep 7 2021

...A strong thunderstorm will impact portions of Bourbon County
through 700 PM CDT...

At 624 PM CDT, Doppler radar was tracking a strong thunderstorm near
Mound City, moving south at 25 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Fort Scott...                     Marmaton...
Uniontown...                      Fulton...
Redfield...                       Mapleton...
Hammond...                        Devon...
Harding...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3804 9498 3804 9461 3776 9462 3773 9488
      3784 9500
TIME...MOT...LOC 2324Z 351DEG 21KT 3803 9487

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Burchfield

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 7, 6:57 PM CDT	Severe Thunderstorm Warning	SGF	Bourbon, Crawford	48 min

Nearby

Special Weather Statements in Kansas, 2021 Every special weather statement in 2021

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.