Alert archive / Missouri / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 130, NWS Quad Cities, IA

June 28, 2017Scotland County, Missouri

NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 28, 2017, 8:58 PM CDT for Scotland County, Missouri. 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 outline as issued.

The facts

Issued
Jun 28, 2017, 8:58 PM CDT (01:58 UTC)
Expired
Jun 28, 2017, 9:45 PM CDT
In force
47 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Scotland County, MO

The radar

The Quad Cities radar (KDVN), 189 km from the middle of the area, began a volume at 01:57 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 28, 2:53 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 2.0 hours before the alert went out and 195 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, Davenport, at 00:00Z on 2017-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1521 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, Davenport, at 00:00Z on 2017-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.19395878Sfc1 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
1521 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1099 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
2.7
Supercell composite
15.1

Open this sounding in Storm Lab

The text

As transmitted.

016 
WUUS53 KDVN 290158
SVRDVN
MOC199-290245-
/O.NEW.KDVN.SV.W.0130.170629T0158Z-170629T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
858 PM CDT WED JUN 28 2017

The National Weather Service in Quad Cities  has issued a

* Severe Thunderstorm Warning for...
  Southern Scotland County in northeastern Missouri...

* Until 945 PM CDT.

* At 857 PM CDT, a severe thunderstorm was located near Greensburg,
  or 11 miles southwest of Memphis, moving east at 35 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Rutledge, South Gorin, Greensburg, Bible Grove, Sand Hill and
  Spillman Mound.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CDT for northeastern
Missouri.

LAT...LON 4037 9195 4030 9195 4030 9235 4045 9235
TIME...MOT...LOC 0157Z 285DEG 31KT 4034 9231 

HAIL...0.75IN
WIND...60MPH
 
$$

RP Kinney
3 follow-up statements
446 
WWUS53 KDVN 290214
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
914 PM CDT WED JUN 28 2017

MOC199-290245-
/O.CON.KDVN.SV.W.0130.000000T0000Z-170629T0245Z/
Scotland MO-
914 PM CDT WED JUN 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHERN SCOTLAND COUNTY...

At 914 PM CDT, a severe thunderstorm was located near Greensburg, or
8 miles south of Memphis, moving east at 30 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Rutledge, South Gorin, Greensburg, Bible Grove, Sand Hill and
Spillman Mound.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CDT for northeastern
Missouri.

LAT...LON 4037 9195 4030 9195 4030 9235 4044 9231
TIME...MOT...LOC 0214Z 276DEG 26KT 4034 9217 

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

RP Kinney
178 
WWUS53 KDVN 290232
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
932 PM CDT WED JUN 28 2017

MOC199-290245-
/O.CON.KDVN.SV.W.0130.000000T0000Z-170629T0245Z/
Scotland MO-
932 PM CDT WED JUN 28 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR SOUTHEASTERN SCOTLAND COUNTY...

At 932 PM CDT, a severe thunderstorm was located over South Gorin, or
12 miles southeast of Memphis, moving east at 30 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

Locations impacted include...
Rutledge, South Gorin and Sand Hill. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CDT for northeastern
Missouri.

LAT...LON 4037 9195 4030 9195 4030 9215 4040 9215
TIME...MOT...LOC 0232Z 280DEG 25KT 4032 9202 

HAIL...<.75IN
WIND...60MPH
 
$$
RP Kinney
132 
WWUS53 KDVN 290245
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA
Issued by National Weather Service Des Moines IA
945 PM CDT WED JUN 28 2017

MOC199-290255-
/O.EXP.KDVN.SV.W.0130.000000T0000Z-170629T0245Z/
Scotland MO-
945 PM CDT WED JUN 28 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SCOTLAND COUNTY
HAS EXPIRED...
        
The storm which prompted the warning has weakened slightly.
Therefore the warning has been allowed to expire.  However gusty 
winds around 50 mph are still possible with this thunderstorm as it 
moves across southern Clark and Hancock counties.

A tornado watch remains in effect until midnight CDT for northeastern
Missouri.

LAT...LON 4037 9195 4030 9195 4030 9215 4040 9215
TIME...MOT...LOC 0245Z 285DEG 31KT 4030 9195 

$$

RP Kinney

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 28, 8:36 PM CDTSpecial Weather StatementDVNClark, Scotland54 min
Jun 28, 9:43 PM CDTSpecial Weather StatementDVNClark62 min
Jun 28, 10:03 PM CDTSevere Thunderstorm WarningDVNClark42 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning in 2017

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.