Alert archive / Missouri / Special Weather Statements in 2012
Special Weather Statement, NWS Kansas City, MO
NWS Kansas City, MO issued this special weather statement at May 4, 2012, 2:31 AM CDT for Nodaway County, Missouri. It was in force for 44 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 4, 2012, 2:31 AM CDT (07:31 UTC)
- Expired
- May 4, 2012, 3:15 AM CDT
- In force
- 44 min
- Issued by
- NWS Kansas City, MO
County Nodaway County, MO
The radar
The Omaha radar (KOAX), 167 km from the middle of the area, began a volume at 07:31 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
Omaha, NE (KOAX), launched 00:00Z, 7.5 hours before the alert went out and 167 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
- 2202 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1397 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.0
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 Kansas City, MO wrote its last area forecast discussion before this special weather statement went out at May 4, 12:31 AM CDT, 2 hours earlier.
Area forecast discussion, May 4, 12:31 AM CDT, 2 hours before
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</html>Hazardous weather outlook, May 3, 5:27 PM CDT, 9 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 527 PM CDT THU MAY 3 2012 KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040- 043>046-053-054-041145- ATCHISON KS-MIAMI-LINN KS-DONIPHAN-LEAVENWORTH-WYANDOTTE-JOHNSON KS- ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER- HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-SULLIVAN-ADAIR-BUCHANAN-CLINTON- CALDWELL-LIVINGSTON-LINN MO-MACON-PLATTE-CLAY-RAY-CARROLL-CHARITON- RANDOLPH-JACKSON-LAFAYETTE-SALINE-HOWARD-CASS-JOHNSON MO-PETTIS- COOPER-BATES-HENRY- 527 PM CDT THU MAY 3 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST...NORTH CENTRAL AND WEST CENTRAL MISSOURI...AS WELL AS EXTREME EASTERN KANSAS. .DAY ONE...TONIGHT THUNDERSTORMS ARE REDEVELOPING THIS EVENING IN PORTIONS OF IOWA...NEBRASKA...AND NORTH CENTRAL KANSAS ALONG A STALLED BOUNDARY. THESE STORMS ARE FORECAST TO MOVE INTO THE OUTLOOK AREA LATER THIS EVENING INTO THE OVERNIGHT. SEVERE THUNDERSTORMS PRODUCING LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE THROUGH EARLY FRIDAY MORNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY SCATTERED THUNDERSTORMS MAY LINGER OVER THE EASTERN PORTIONS OF THE OUTLOOK AREA FRIDAY MORNING. WHILE THE SEVERE WEATHER THREAT WILL BE DIMINISHED A FEW OF THESE STORMS MAY STILL BE CAPABLE OF PRODUCING SMALL HAIL. UNSEASONABLY WARM AND HUMID AIR WILL OVERTAKE THE REGION BY FRIDAY WITH TEMPERATURES CLIMBING NEAR 90 DEGREES FRIDAY AND SATURDAY. HEAT INDEX VALUES NEAR 95 DEGREES ARE POSSIBLE FRIDAY AND SATURDAY AFTERNOON. THERE IS A SMALL CHANCE FOR SEVERE THUNDERSTORMS ACROSS MAINLY NORTHERN MISSOURI BOTH FRIDAY EVENING AND SATURDAY EVENING. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN HAZARDS. AN EXTREMELY UNSTABLE AIRMASS WILL REMAIN IN PLACE ACROSS THE ENTIRE OUTLOOK REGION SUNDAY AFTERNOON AND EVENING. THIS MAY ALLOW FOR SEVERE THUNDERSTORMS TO DEVELOP BY LATE AFTERNOON. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN HAZARD FROM STORMS LATE SUNDAY AFTERNOON AND EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED ACROSS THE ENTIRE OUTLOOK AREA TONIGHT. MJM
In the hours before
Special weather statement, May 4, 12:08 AM CDT, 2 hours 23 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
1208 AM CDT FRI MAY 4 2012
KSZ102-MOZ011-012-040545-
ANDREW MO-DONIPHAN KS-HOLT MO-
1208 AM CDT FRI MAY 4 2012
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN ANDREW...
SOUTHEASTERN HOLT AND NORTHERN DONIPHAN COUNTIES UNTIL 1245 AM CDT...
AT 1205 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR HIGHLAND...MOVING EAST AT 25 MPH.
HAIL UP TO THE SIZE OF NICKELS IS EXPECTED WITH THIS STORM...ALONG
WITH HEAVY RAIN.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
FOREST CITY...OREGON...AMAZONIA AND FANNING.
THIS WILL IMPACT
I-29 BETWEEN MILE MARKERS 58 AND 71.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
LAT...LON 3989 9534 3994 9535 4001 9533 4000 9531
4001 9532 4002 9532 3999 9480 3977 9497
3984 9535 3988 9535
TIME...MOT...LOC 0508Z 277DEG 22KT 3992 9522
MJMSpecial weather statement, May 4, 12:12 AM CDT, 2 hours 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 1212 AM CDT FRI MAY 4 2012 MOZ005-014-015-040600- DAVIESS MO-GRUNDY MO-HARRISON MO- 1212 AM CDT FRI MAY 4 2012 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN HARRISON...WESTERN GRUNDY AND NORTHEASTERN DAVIESS COUNTIES UNTIL 100 AM CDT... AT 1210 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR GILMAN CITY...OR 13 MILES SOUTHEAST OF BETHANY...MOVING EAST AT 10 MPH. HAIL UP TO THE SIZE OF NICKELS AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH VERY HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... GILMAN CITY AND BRIMSON. THIS STORM MAY INTENSIFY....AND A TORNADO WATCH IS IN EFFECT FOR THIS AREA. 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. TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED ROADWAY. LAT...LON 4026 9368 4001 9363 4004 9401 4016 9404 TIME...MOT...LOC 0512Z 260DEG 7KT 4010 9392 HAWBLITZEL
Local storm report, May 4, 1:25 AM CDT, 1 hour 6 minutes before
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</html>Local storm report, May 4, 1:30 AM CDT, 1 hour 1 minute before
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</html>Special weather statement, May 4, 1:31 AM CDT, 1 hour before
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</html>Special weather statement, May 4, 2:31 AM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
231 AM CDT FRI MAY 4 2012
MOZ002-040815-
NODAWAY MO-
231 AM CDT FRI MAY 4 2012
...SIGNIFICANT WEATHER ADVISORY FOR NODAWAY COUNTY UNTIL 315 AM
CDT...
AT 227 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR MARYVILLE...MOVING NORTHEAST AT 15 MPH.
HAIL UP TO THE SIZE OF PENNIES IS EXPECTED WITH THIS STORM...ALONG
WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
MARYVILLE...RAVENWOOD AND PICKERING.
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
LAT...LON 4048 9463 4030 9462 4024 9494 4039 9507
4058 9473 4058 9468
TIME...MOT...LOC 0731Z 236DEG 15KT 4036 9490
MJMThe office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 12:08 AM CDT | Special Weather Statement | EAX | Andrew | 37 min |
| May 4, 12:12 AM CDT | Special Weather Statement | EAX | Daviess | 48 min |
| May 4, 12:18 AM CDT | Severe Thunderstorm Warning | EAX | Daviess, Grundy, Livingston | 42 min |
| May 4, 12:29 AM CDT | Severe Thunderstorm Warning | EAX | Andrew, Daviess, DeKalb, Gentry, Harrison, Nodaway | 46 min |
| May 4, 12:42 AM CDT | Areal Flood Advisory | EAX | Andrew, Daviess, DeKalb, Gentry, Grundy, Harrison and 1 more | 6 hr |
| May 4, 1:28 AM CDT | Flash Flood Warning | EAX | Daviess, DeKalb, Gentry | 6 hr |
| May 4, 1:31 AM CDT | Special Weather Statement | EAX | Grundy, Sullivan | 44 min |
| May 4, 3:12 AM CDT | Flash Flood Warning | EAX | Gentry, Nodaway, Worth | 6 hr |
| May 4, 3:20 AM CDT | Special Weather Statement | EAX | Nodaway | 40 min |
| May 4, 3:50 AM CDT | Special Weather Statement | EAX | Harrison | 40 min |
| May 4, 3:55 AM CDT | Severe Thunderstorm Warning | EAX | Harrison | 14 min |
| May 4, 4:08 AM CDT | Areal Flood Advisory | EAX | Harrison | 6 hr |
| May 4, 5:07 AM CDT | River Flood Warning | EAX | Daviess, Gentry | 26 hr |
| May 4, 6:25 AM CDT | Special Weather Statement | EAX | Lafayette | 35 min |
| May 4, 7:05 AM CDT | River Flood Warning | EAX | Andrew, Nodaway | 5 hr |
| May 4, 7:28 AM CDT | River Flood Warning | EAX | Daviess, Livingston | 22 hr |
| May 4, 10:06 AM CDT | River Flood Warning | EAX | Linn, Livingston | 31 hr |
| May 4, 10:06 AM CDT | River Flood Warning | EAX | Carroll, Chariton, Linn, Livingston | 52 hr |
| May 4, 3:01 PM CDT | River Flood Warning | EAX | Buchanan | 26 hr |
| May 4, 3:01 PM CDT | River Flood Warning | EAX | Platte | 37 hr |
| May 4, 5:58 AM CDT | Special Weather Statement | EAX | Wyandotte | 47 min |
Nearby
Special Weather Statements in Missouri, 2012Every special weather statement in 2012
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.