Alert archive / Illinois / Special Weather Statements in 2013

Special Weather Statement, NWS Quad Cities, IA

June 23, 2013Putnam County, Illinois

NWS Quad Cities, IA issued this special weather statement at Jun 23, 2013, 4:29 PM CDT for Putnam County, Illinois. It was in force for 61 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 23, 2013, 4:29 PM CDT (21:29 UTC)
Expired: Jun 23, 2013, 5:30 PM CDT
In force: 61 min
Issued by: NWS Quad Cities, IA

County Putnam County, IL

The radar

The Chicago radar (KLOT), 106 km from the middle of the area, began a volume at 21:30 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 12:00Z, 9.5 hours before the alert went out and 118 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: 588 J/kg
Mixed-layer CIN: -179 J/kg
Mixed-layer LCL: 760 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 104 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.

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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 Jun 23, 3:58 PM CDT, 31 minutes earlier.

Area forecast discussion, Jun 23, 3:58 PM CDT, 31 minutes before

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Hazardous weather outlook, Jun 23, 4:45 AM CDT, 11 hours 44 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
445 AM CDT SUN JUN 23 2013

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-240900-
BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-CLINTON
IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-HENDERSON IL-HENRY
IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-JO DAVIESS IL-JOHNSON IA-
JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-MCDONOUGH IL-MERCER IL-
MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-SCOTLAND MO-SCOTT IA-
STEPHENSON IL-VAN BUREN IA-WARREN IL-WASHINGTON IA-WHITESIDE IL-
445 AM CDT SUN JUN 23 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...TODAY AND TONIGHT

THERE IS A CHANCE OF THUNDERSTORMS THIS AFTERNOON THROUGH MONDAY
OVER THE ENTIRE AREA. LOCALLY HEAVY RAINFALL WILL BE LIKELY. SOME
OF THE STRONGER STORMS MAY SURPASS SEVERE THRESHOLDS...PRODUCING
DAMAGING WINDS OVER 60 MPH AND ALSO LARGE HAIL OF AT LEAST QUARTER
SIZE. A FLASH FLOOD WATCH IS IN EFFECT FOR AREAS ALONG AND NORTH OF
INTERSTATE 80 TONIGHT THROUGH LATE MONDAY AFTERNOON.

THE STORM PREDICTION CENTER HAS A SLIGHT RISK OF SEVERE STORMS FOR
THE ENTIRE AREA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

MONDAY THROUGH THURSDAY...THERE IS A RISK OF THUNDERSTORMS EACH DAY.
THE NATURE OF THESE STORMS SUGGEST ANY STRONG TO SEVERE STORMS WOULD
MORE LIKELY OCCUR IN THE AFTERNOON THROUGH THE EVENING HOURS WITH
STRONG WINDS THE PRIMARY THREAT.

THE GREATER RISK IS HIGH MOISTURE LEVELS WILL INTERACT WITH WEAK
DISTURBANCES...PRODUCING PROLONGED CONVECTION LEADING TO LOCALLY
HEAVY RAINFALL. THIS WILL LAST THROUGH AT LEAST MONDAY AND POSSIBLY
THROUGH TUESDAY. WIDESPREAD RAINFALL TOTALS OF OVER 2 INCHES ARE
EXPECTED WITH LOCALLY 4 INCHES OR MORE. THIS POSES A RISK OF FLASH
FLOODING AND RENEWED RIVER FLOODING.

A FLASH FLOOD WATCH IS IN EFFECT TONIGHT THROUGH MONDAY FOR LOCATIONS
ALONG AND NORTH OF THE I-80 CORRIDOR. SEE THIS AND OTHER HYDROLOGIC
PRODUCTS FOR ADDITIONAL INFORMATION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATER THIS AFTERNOON AND TONIGHT.
ANY HEAVY RAINFALL TOTALS OVER 1 INCH AND ANY WATER ISSUES WOULD BE
APPRECIATED.

14/NICHOLS

In the hours before

Local storm report, Jun 23, 2:35 PM CDT, 1 hour 54 minutes before

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Special weather statement, Jun 23, 3:29 PM CDT, 1 hour before

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Local storm report, Jun 23, 3:48 PM CDT, 41 minutes before

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Special weather statement, Jun 23, 4:00 PM CDT, 29 minutes before

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Special weather statement, Jun 23, 4:16 PM CDT, 13 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
416 PM CDT SUN JUN 23 2013

ILZ017-018-232215-
BUREAU-PUTNAM-
416 PM CDT SUN JUN 23 2013

...STRONG THUNDERSTORMS IN PUTNAM COUNTY...

AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF
GRANVILLE TO 9 MILES SOUTHWEST OF MC NABB...MOVING EAST AT 15 MPH.

* THUNDERSTORMS WILL BE NEAR...
  MAGNOLIA AROUND 425 PM CDT...

PEA TO PENNY SIZE HAIL...WINDS GREATER THAN 35 MPH...BRIEF HEAVY
RAIN...ARE EXPECTED WITH THESE STORMS.

LAT...LON 4110 8916 4110 8935 4111 8936 4112 8934
      4114 8934 4135 8917 4134 8916 4132 8916
      4111 8915
TIME...MOT...LOC 2116Z 271DEG 12KT 4131 8908 4106 8929

HAASE

Special weather statement, Jun 23, 4:29 PM CDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
429 PM CDT SUN JUN 23 2013

ILZ018-232230-
PUTNAM-
429 PM CDT SUN JUN 23 2013

...STRONG THUNDERSTORMS IN PUTNAM COUNTY...

AT 427 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTHEAST OF
MC NABB TO 14 MILES SOUTHWEST OF MC NABB...MOVING EAST AT 15
MPH.

* THUNDERSTORMS WILL BE NEAR...
  RURAL PUTNAM COUNTY AT 440 PM CDT

PEA SIZE HAIL...WINDS GREATER THAN 35 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...BRIEF HEAVY RAIN...ARE EXPECTED WITH THESE STORMS.

LAT...LON 4110 8916 4110 8935 4110 8936 4127 8921
      4131 8917 4131 8916 4111 8915
TIME...MOT...LOC 2128Z 304DEG 12KT 4125 8908 4098 8931

HAASE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 3:57 AM CDT	Flash Flood Watch	DVN	Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 13 more	3 days
Jun 23, 11:19 AM CDT	Special Weather Statement	DVN	Cedar, Jefferson, Johnson, Jones, Van Buren, Washington	56 min
Jun 23, 11:47 AM CDT	Special Weather Statement	DVN	Cedar, Dubuque, Henry, Jackson, Jones, Louisa and 2 more	58 min
Jun 23, 12:30 PM CDT	Special Weather Statement	DVN	Lee	60 min
Jun 23, 12:32 PM CDT	Special Weather Statement	DVN	Lee	58 min
Jun 23, 1:02 PM CDT	Special Weather Statement	DVN	Hancock	58 min
Jun 23, 1:26 PM CDT	Special Weather Statement	DVN	Carroll, Hancock, Henry, McDonough, Stephenson, Warren and 1 more	64 min
Jun 23, 2:16 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry, Whiteside	44 min
Jun 23, 3:29 PM CDT	Special Weather Statement	DVN	Putnam	61 min
Jun 23, 4:00 PM CDT	Special Weather Statement	DVN	Putnam	60 min
Jun 23, 4:16 PM CDT	Special Weather Statement	DVN	Putnam	59 min

Nearby

Special Weather Statements in Illinois, 2013 Every 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.