Alert archive / Kansas / Special Weather Statements in 2014

Special Weather Statement, NWS Kansas City, MO

August 3, 2014Buchanan County, Missouri; Atchison County, Doniphan County, Kansas

NWS Kansas City, MO issued this special weather statement at Aug 3, 2014, 4:57 AM CDT for Buchanan County, Missouri; Atchison County, Doniphan County, Kansas. It was in force for 48 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: Aug 3, 2014, 4:57 AM CDT (09:57 UTC)
Expired: Aug 3, 2014, 5:45 AM CDT
In force: 48 min
Issued by: NWS Kansas City, MO

Counties Atchison County, KS, Doniphan County, KS, Buchanan County, MO

The radar

The Pleasant Hill radar (KEAX), 124 km from the middle of the area, began a volume at 09:57 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, 10.0 hours before the alert went out and 208 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: 793 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1622 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 134 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Kansas City, MO wrote its last area forecast discussion before this special weather statement went out at Aug 3, 3:55 AM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Aug 3, 3:55 AM CDT, 1 hour 2 minutes before

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Hazardous weather outlook, Aug 3, 4:37 AM CDT, 20 minutes before

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In the hours before

Special weather statement, Aug 3, 3:28 AM CDT, 1 hour 29 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO
328 AM CDT SUN AUG 3 2014

MOZ001-011-030915-
ATCHISON MO-HOLT MO-
328 AM CDT SUN AUG 3 2014

...SIGNIFICANT WEATHER ADVISORY FOR ATCHISON AND NORTHWESTERN HOLT
COUNTIES UNTIL 415 AM CDT...

AT 325 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR ROCKPORT...OR 8 MILES WEST OF TARKIO...
MOVING SOUTHEAST AT 25 MPH.

HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM.

LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  TARKIO...MOUND CITY...ROCKPORT...FAIRFAX...CRAIG...CORNING...
  BIGELOW AND BIG LAKE.

THIS WILL IMPACT

 I-29 BETWEEN MILE MARKERS 84 AND 117.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

LAT...LON 4057 9550 4033 9517 4026 9518 4026 9509
      4024 9506 4003 9541 4006 9542 4007 9540
      4012 9540 4019 9549 4024 9548 4026 9556
      4029 9555 4030 9559 4042 9566 4043 9565
      4046 9566
TIME...MOT...LOC 0828Z 320DEG 22KT 4044 9551

CDB

Special weather statement, Aug 3, 4:11 AM CDT, 46 minutes before

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Special weather statement, Aug 3, 4:57 AM CDT, 0 minutes before

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The office that day

Everything else NWS Kansas City, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 3, 3:28 AM CDT	Special Weather Statement	EAX	Atchison	47 min
Aug 3, 4:11 AM CDT	Special Weather Statement	EAX	Holt	49 min

Nearby

Special Weather Statements in Kansas, 2014 Special Weather Statements in Missouri, 2014 Every special weather statement in 2014

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.