Alert archive / Missouri / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 252, NWS Springfield, MO

August 8, 2015Greene County, Polk County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Aug 8, 2015, 9:59 AM CDT for Greene County, Polk County, Missouri. It was in force for 16 min. 6 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 8, 2015, 9:59 AM CDT (14:59 UTC)
Expired
Aug 8, 2015, 10:15 AM CDT
In force
16 min
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Greene County, MO, Polk County, MO

The radar

The Springfield radar (KSGF), 10 km from the middle of the area, began a volume at 15:01 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.

What was reported inside it

TimeReportWhereRemark
Aug 8, 10:00 AM CDTTSTM WND DMG3 E Willard, MOPOWER LINES PHYSICALLY DOWN.
Aug 8, 10:05 AM CDTTSTM WND DMG4 N Springfield, MOPOWERLINES DOWN.
Aug 8, 10:12 AM CDTTSTM WND DMG6 N Springfield, MOAT LEAST TWO BARNS DAMAGED AND ONE DESTROYED NEAR FARM RD 66 AND 174 AREA.
Aug 8, 10:12 AM CDTTSTM WND DMG6 N Springfield, MOBARN DAMAGED NEAR FARM RD 66 AND 174.
Aug 8, 10:12 AM CDTTSTM WND DMG6 N Springfield, MOBARN DAMAGED OR DESTROYED NEAR FARM RD 66 AND 174.
Aug 8, 10:12 AM CDTTSTM WND DMG6 Sw Fair Grove, MONWS SURVEY TEAM DETERMINED THAT MAXIMUM STRAIGHT LINE THUNDERSTORM WINDS OF 95 TO 100 MPH CAUSED CONSIDERABLE DAMAGE TO TREES AND A COUPLE OF STRUCTURES JUST WEST OF FELLOWS LAKE. SEVERAL TREES WERE UPROOTED OR SNAPPED. AT LEAST THREE POWER POLES WERE SNAPPED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 3.0 hours before the alert went out and 57 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 12:00Z on 2015-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2768 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2015-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 62 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
2768 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
829 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
62 m²/s²
0-3 km storm-relative helicity
102 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.

479 
WUUS53 KSGF 081459
SVRSGF
MOC077-167-081515-
/O.NEW.KSGF.SV.W.0252.150808T1459Z-150808T1515Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
959 AM CDT SAT AUG 8 2015

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GREENE COUNTY IN SOUTHWESTERN MISSOURI... 
  SOUTHEASTERN POLK COUNTY IN SOUTHWESTERN MISSOURI...

* UNTIL 1015 AM CDT

* AT 958 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR MORRISVILLE TO WILLARD TO NEAR REPUBLIC...
  MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  NORTHWESTERN SPRINGFIELD...       WILLARD...
  PLEASANT HOPE...                  MORRISVILLE...
  BROOKLINE...                      SACVILLE...
  BOIS D'ARC...                     BRIGHTON...
  CAVE SPRINGS...                   GLIDEWELL...
  EBENEZER...                       

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 61 AND 63...BETWEEN
MILE MARKERS 65 AND 68...AND BETWEEN MILE MARKERS 70 AND 80.

THESE STORMS HAVE A LONG HISTORY OF PRODUCING DAMAGING WIND GUSTS.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3719 9358 3720 9361 3725 9353 3732 9347
      3737 9350 3750 9353 3751 9338 3748 9326
      3744 9318 3725 9323 3717 9336
TIME...MOT...LOC 1458Z 284DEG 31KT 3742 9341 3738 9337 3730 9339 3720
9351

HAIL...<.75IN
WIND...60MPH
 
$$

CRAMER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 4:05 AM CDTDense Fog AdvisorySGFCamden, Christian, Dent, Douglas, Howell, Laclede and 12 more6 hr
Aug 8, 7:56 AM CDTSpecial Weather StatementSGFVernon49 min
Aug 8, 8:05 AM CDTSevere Thunderstorm WarningSGFVernon55 min
Aug 8, 8:21 AM CDTSevere Thunderstorm WarningSGFCedar, St. Clair54 min
Aug 8, 8:50 AM CDTSevere Thunderstorm WarningSGFBarton, Dade, Jasper40 min
Aug 8, 9:12 AM CDTSevere Thunderstorm WarningSGFDade, Greene, Lawrence, Polk48 min
Aug 8, 9:51 AM CDTSevere Thunderstorm WarningSGFBarry, Christian, Greene, Lawrence, Stone, Webster54 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2015Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.