Alert archive / Missouri / Special Weather Statements in 2015
Special Weather Statement, NWS St. Louis, MO
NWS St. Louis, MO issued this special weather statement at Jul 24, 2015, 2:43 PM CDT for Knox 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
- Jul 24, 2015, 2:43 PM CDT (19:43 UTC)
- Expired
- Jul 24, 2015, 3:30 PM CDT
- In force
- 47 min
- Issued by
- NWS St. Louis, MO
County Knox County, MO
The radar
The Quad Cities radar (KDVN), 212 km from the middle of the area, began a volume at 19:45 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, 7.7 hours before the alert went out and 217 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1385 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 St. Louis, MO wrote its last area forecast discussion before this special weather statement went out at Jul 24, 1:01 PM CDT, 1 hour 42 minutes earlier.
Area forecast discussion, Jul 24, 1:01 PM CDT, 1 hour 42 minutes before
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</html>Hazardous weather outlook, Jul 24, 6:06 AM CDT, 8 hours 37 minutes before
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</html>In the hours before
Special weather statement, Jul 24, 2:43 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 243 PM CDT FRI JUL 24 2015 MOZ018-242030- KNOX MO- 243 PM CDT FRI JUL 24 2015 ...SIGNIFICANT WEATHER ADVISORY FOR WESTERN KNOX COUNTY UNTIL 330 PM CDT... AT 242 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES NORTH OF BRASHEAR...MOVING SOUTH AT 20 MPH. WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... EDINA...GREENSBURG...HURDLAND...NOVELTY AND BARING. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR NORTHEASTERN MISSOURI. LAT...LON 4030 9216 3999 9218 4000 9235 4030 9235 TIME...MOT...LOC 1942Z 014DEG 16KT 4028 9240 GOSSELIN
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:59 PM CDT | Heat Advisory | LSX | Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 7 more | 27 hr |
| Jul 24, 5:46 PM CDT | Special Weather Statement | LSX | Moniteau | 44 min |
| Jul 24, 5:54 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 39 min |
Nearby
Special Weather Statements in Missouri, 2015Every 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.