Alert archive / Missouri / Special Weather Statements in 2013

Special Weather Statement, NWS Quad Cities, IA

May 29, 2013Clark County, Scotland County, Missouri

NWS Quad Cities, IA issued this special weather statement at May 29, 2013, 1:07 AM CDT for Clark County, Scotland County, Missouri. It was in force for 53 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 29, 2013, 1:07 AM CDT (06:07 UTC)
Expired
May 29, 2013, 2:00 AM CDT
In force
53 min
Issued by
NWS Quad Cities, IA

Counties Clark County, MO, Scotland County, MO

The radar

The Quad Cities radar (KDVN), 164 km from the middle of the area, began a volume at 06:10 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

Davenport, (KDVN), launched 00:00Z, 6.1 hours before the alert went out and 169 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 2013-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3105 joules per kilogram.LCLEL10008507005003002001001 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, Davenport, at 00:00Z on 2013-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 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
3105 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
568 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
1.1
Supercell composite
5.4

Open this sounding in Storm Lab

The text

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

980 
WWUS83 KDVN 290607
SPSDVN

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
107 AM CDT WED MAY 29 2013

IAZ098-099-MOZ009-010-290700-
CLARK-LEE-SCOTLAND-VAN BUREN-
107 AM CDT WED MAY 29 2013

...THUNDERSTORMS WITH HEAVY RAIN...

AT 101 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 7 MILES SOUTHWEST OF MEMPHIS...MOVING EAST AT 45
MPH.

* THE THUNDERSTORM WILL BE NEAR...
  MEMPHIS AROUND 110 AM CDT...
  SOUTH GORIN AROUND 120 AM CDT...
  WYACONDA AND GRANGER AROUND 125 AM CDT...
  LURAY AROUND 130 AM CDT...
  KAHOKA AROUND 140 AM CDT...
  WAYLAND AND ST. FRANCISVILLE AROUND 150 AM CDT...

WINDS AROUND 35 MPH AND BRIEF HEAVY RAIN...ARE EXPECTED WITH THIS 
STORM.  RAINFALL AMOUNTS OF ONE HALF INCH TO ONE INCH IN AN HOUR
WILL CAUSE PONDING OF WATER ON ROADS AND LOW LYING AREAS.  

LAT...LON 4059 9234 4062 9134 4055 9141 4051 9137
      4047 9137 4045 9138 4040 9137 4036 9146
      4024 9151 4027 9187 4028 9196 4029 9196
      4030 9196 4031 9236
TIME...MOT...LOC 0605Z 270DEG 38KT 4040 9222

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:27 PM CDTSpecial Weather StatementDVNWashington63 min
May 28, 7:39 PM CDTSevere Thunderstorm WarningDVNDes Moines, Henry, Jefferson, Keokuk, Louisa, Washington66 min
May 28, 7:44 PM CDTFlash Flood WarningDVNLouisa9 hr
May 28, 8:34 PM CDTSevere Thunderstorm WarningDVNDes Moines, Louisa, Muscatine, Scott56 min
May 28, 8:50 PM CDTRiver Flood WarningDVNVan Buren4 days
May 28, 8:50 PM CDTRiver Flood WarningDVNLee5 days
May 28, 9:07 PM CDTSevere Thunderstorm WarningDVNLee, Van Buren23 min
May 28, 9:33 PM CDTSpecial Weather StatementDVNLee57 min
May 29, 4:50 AM CDTAreal Flood WarningDVNDes Moines6 hr
May 29, 3:18 PM CDTFlash Flood WatchDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more54 hr
May 29, 4:45 PM CDTSevere Thunderstorm WarningDVNBuchanan45 min
May 29, 5:01 PM CDTSevere Thunderstorm WarningDVNBenton, Iowa, Linn44 min
May 29, 5:25 PM CDTSpecial Weather StatementDVNBenton, Buchanan50 min
May 29, 5:35 PM CDTSevere Thunderstorm WarningDVNDelaware40 min
May 29, 6:07 PM CDTFlash Flood WarningDVNBenton, Buchanan, Delaware, Iowa, Linn6 hr
May 29, 6:58 PM CDTSevere Thunderstorm WarningDVNBenton, Buchanan, Linn47 min
May 28, 7:29 PM CDTFlash Flood WarningDVNBureau, Henry, Putnam9 hr
May 28, 9:31 PM CDTSpecial Weather StatementDVNRock Island44 min
May 29, 4:00 AM CDTRiver Flood WarningDVNClark4 days
May 29, 7:50 AM CDTAreal Flood WarningDVNScotland12 hr

Nearby

Special Weather Statements in Missouri, 2013Every special weather statement in 2013

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.