Alert archive / Missouri / Special Weather Statements in 2015

Special Weather Statement, NWS Quad Cities, IA

July 26, 2015Clark County, Missouri

NWS Quad Cities, IA issued this special weather statement at Jul 26, 2015, 2:49 AM CDT for Clark County, Missouri. It was in force for 26 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: Jul 26, 2015, 2:49 AM CDT (07:49 UTC)
Expired: Jul 26, 2015, 3:15 AM CDT
In force: 26 min
Issued by: NWS Quad Cities, IA

County Clark County, MO

The radar

The Quad Cities radar (KDVN), 166 km from the middle of the area, began a volume at 07:49 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

Topeka, KS (KFOE), launched 00:00Z, 7.8 hours before the alert went out and 383 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: 1872 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1459 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

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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 Quad Cities, IA wrote its last area forecast discussion before this special weather statement went out at Jul 26, 12:00 AM CDT, 2 hours 49 minutes earlier.

Area forecast discussion, Jul 26, 12:00 AM CDT, 2 hours 49 minutes before

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Hazardous weather outlook, Jul 25, 9:40 PM CDT, 5 hours 9 minutes before

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In the hours before

Special weather statement, Jul 26, 1:54 AM CDT, 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
154 AM CDT SUN JUL 26 2015

MOC045-199-260800-
SCOTLAND-CLARK-
154 AM CDT SUN JUL 26 2015

...A STRONG THUNDERSTORM WILL EXTREME NORTHEAST MISSOURI...

AT 154 AM CDT...A STRONG THUNDERSTORM WAS NEAR MEMPHIS...MOVING EAST
AT 25 MPH.

WINDS IN EXCESS OF 30 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
MEMPHIS...WYACONDA...RUTLEDGE...LURAY...SOUTH GORIN...GRANGER...
GREENSBURG...CRAWFORD...ARBELA...MEMPHIS MEMORIAL AIRPORT...BIBLE
GROVE...PROSPECT GROVE...ETNA...FAIRMONT...INDIAN HILLS CONSERVATION
AREA...SPILLMAN MOUND...SAND HILL AND AZEN.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4047 9235 4059 9190 4026 9182 4026 9195
      4030 9195 4030 9235
TIME...MOT...LOC 0654Z 256DEG 23KT 4040 9223

HAASE

Special weather statement, Jul 26, 1:54 AM CDT, 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
154 AM CDT SUN JUL 26 2015

MOC045-199-260800-
SCOTLAND-CLARK-
154 AM CDT SUN JUL 26 2015

...A STRONG THUNDERSTORM WILL AFFECT EXTREME NORTHEAST MISSOURI...

AT 154 AM CDT...A STRONG THUNDERSTORM WAS NEAR MEMPHIS...MOVING EAST
AT 25 MPH.

WINDS IN EXCESS OF 30 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
MEMPHIS...WYACONDA...RUTLEDGE...LURAY...SOUTH GORIN...GRANGER...
GREENSBURG...CRAWFORD...ARBELA...MEMPHIS MEMORIAL AIRPORT...BIBLE
GROVE...PROSPECT GROVE...ETNA...FAIRMONT...INDIAN HILLS CONSERVATION
AREA...SPILLMAN MOUND...SAND HILL AND AZEN.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4047 9235 4059 9190 4026 9182 4026 9195
      4030 9195 4030 9235
TIME...MOT...LOC 0654Z 256DEG 23KT 4040 9223

HAASE

Special weather statement, Jul 26, 2:49 AM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
249 AM CDT SUN JUL 26 2015

ILC067-IAC111-MOC045-260815-
HANCOCK-LEE-CLARK-
249 AM CDT SUN JUL 26 2015

...A STRONG THUNDERSTORM WILL AFFECT NORTHEAST MISSOURI AND WESTERN
ILLINOIS...

AT 248 AM CDT...A STRONG THUNDERSTORM WAS NEAR WAYLAND...OR NEAR
KAHOKA...MOVING EAST AT 30 MPH.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THIS STORM. HEAVY
RAINFALL OF 1 TO 2 INCHES ARE ALSO LIKELY WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
KEOKUK...KAHOKA...HAMILTON...WARSAW...WAYLAND...ALEXANDRIA...ST.
FRANCISVILLE...WINCHESTER...ELVASTON...SUMMITVILLE...KEOKUK
AIRPORT...CLARK CITY...MOOAR...FROST ISLAND CONSERVATION AREA...
SANDUSKY...ST. PATRICK...GREGORY LANDING...TIOGA...SUTTER AND
ANTIOCH.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

LAT...LON 4020 9150 4025 9150 4025 9176 4042 9176
      4052 9126 4020 9118
TIME...MOT...LOC 0748Z 261DEG 27KT 4034 9165

HAASE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 7:23 AM CDT	Special Weather Statement	DVN	Van Buren	52 min
Jul 26, 7:49 AM CDT	Flash Flood Warning	DVN	Van Buren	6 hr
Jul 26, 8:35 AM CDT	Special Weather Statement	DVN	Linn	55 min
Jul 26, 9:23 AM CDT	Special Weather Statement	DVN	Dubuque	52 min
Jul 26, 9:41 AM CDT	Flash Flood Warning	DVN	Dubuque, Jackson	6 hr
Jul 26, 1:54 AM CDT	Special Weather Statement	DVN	Scotland	66 min

Nearby

Special Weather Statements in Missouri, 2015 Every 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.