Alert archive / Florida / Mesoscale Discussions in 2004

Mesoscale Discussion 44

January 26, 2004Bay County, Gulf County, Florida

The Storm Prediction Center issued this mesoscale discussion at Jan 26, 2004, 11:10 AM CST for Bay County, Gulf County, Florida. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued
Jan 26, 2004, 11:10 AM CST (17:10 UTC)
Expired
Jan 26, 2004, 12:15 PM CST
In force
65 min
Issued by
the Storm Prediction Center

Counties Bay County, FL, Gulf County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 5.2 hours before the alert went out and 99 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-pSkew-T log-p diagram, Tallahassee Rgnl, FL at 12:00Z on 2004-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 549 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 12:00Z on 2004-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
549 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
470 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
281 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 26, 2:10 AM CSTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gadsden, Gulf, Holmes and 8 more3 hr
Jan 26, 4:15 AM CSTTornado WatchSPCBay, Calhoun, Escambia, Gadsden, Holmes, Jackson and 5 more6 hr
Jan 26, 7:00 AM CSTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gadsden, Holmes, Jackson and 5 more2 hr
Jan 26, 9:30 AM CSTTornado WatchSPCBay, Calhoun, Gadsden, Gulf, Holmes, Jackson and 8 more6 hr
Jan 26, 2:00 PM CSTMesoscale DiscussionSPCBaker, Columbia, Hamilton, Jefferson, Lafayette, Madison and 4 more60 min

Nearby

Mesoscale Discussions in Florida, 2004Every mesoscale discussion in 2004

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.