Alert archive / Missouri / Special Weather Statements in 2015

Special Weather Statement, NWS Springfield, MO

April 22, 2015Laclede County, Missouri

NWS Springfield, MO issued this special weather statement at Apr 22, 2015, 1:07 AM CDT for Laclede County, Missouri. It was in force for 23 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
Apr 22, 2015, 1:07 AM CDT (06:07 UTC)
Expired
Apr 22, 2015, 1:30 AM CDT
In force
23 min
Issued by
NWS Springfield, MO

County Laclede County, MO

The radar

The Springfield radar (KSGF), 51 km from the middle of the area, began a volume at 06:07 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, 6.1 hours before the alert went out and 101 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 2015-04-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 292 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2015-04-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 square meters per square second.1939587897Sfc1 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
292 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1728 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
295 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

561 
WWUS83 KSGF 220607
SPSSGF

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
107 AM CDT WED APR 22 2015

MOZ080-081-091-092-220630-
LACLEDE MO-WEBSTER MO-WRIGHT MO-DALLAS MO-
107 AM CDT WED APR 22 2015

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN WEBSTER...NORTHERN
WRIGHT...SOUTHERN DALLAS AND SOUTHWESTERN LACLEDE COUNTIES UNTIL 130
AM CDT...

AT 102 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM LONG LANE TO 
FOOSE...MOVING SOUTHEAST AT 60 MPH. PENNY SIZE HAIL IS EXPECTED WITH 
THESE STORMS.

LOCATIONS IMPACTED INCLUDE CONWAY...MARSHFIELD AND NIANGUA.

INTERSTATE 44 BETWEEN MILE MARKERS 97 AND 120 WILL ALSO BE IMPACTED
BY THESE STORMS.

PEOPLE IN NORTHERN WEBSTER...NORTHERN WRIGHT...SOUTHERN DALLAS AND
SOUTHWESTERN LACLEDE COUNTIES...INCLUDING CONWAY...MARSHFIELD AND
NIANGUA...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD
SEVERE WEATHER THREATEN.

LAT...LON 3749 9318 3757 9318 3766 9280 3742 9225
      3733 9299
TIME...MOT...LOC 0607Z 290DEG 50KT 3757 9282 3752 9307

$$

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 7:10 PM CDTSevere Thunderstorm WarningSGFChristian, Greene, Webster35 min
Apr 21, 7:25 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Greene, Webster, Wright35 min
Apr 21, 7:43 PM CDTSpecial Weather StatementSGFDouglas32 min
Apr 21, 7:44 PM CDTSpecial Weather StatementSGFChristian31 min
Apr 21, 8:11 PM CDTSpecial Weather StatementSGFTaney34 min
Apr 22, 1:30 AM CDTSpecial Weather StatementSGFTexas, Wright30 min
Apr 22, 2:25 PM CDTFrost AdvisorySGFCamden, Dent, Laclede, Maries, Miller, Morgan and 4 more18 hr

Nearby

Special Weather Statements in Missouri, 2015Every special weather statement in 2015

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.