Alert archive / Florida / Mesoscale Discussions in 2022

Mesoscale Discussion 73

January 16, 20227 counties in Florida

The Storm Prediction Center issued this mesoscale discussion at Jan 16, 2022, 4:55 AM EST for 7 counties in Florida. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jan 16, 2022, 4:55 AM EST (09:55 UTC)
Expired
Jan 16, 2022, 7:00 AM EST
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe potential...watch unlikely
Chance of a watch
20%

Counties Citrus County, FL, Hernando County, FL, Hillsborough County, FL, Manatee County, FL, Pasco County, FL, Pinellas County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 50 km from the middle of the area, began a volume at 09:54 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

Tampa Bay, FL (KTBW), launched 00:00Z, 9.9 hours before the alert went out and 50 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, Tampa Bay, FL at 00:00Z on 2022-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2022-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1231 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 15, 11:18 PM ESTMesoscale DiscussionSPCCitrus, Dixie, Franklin, Levy, Taylor, Wakulla2 hr
Jan 16, 7:56 AM ESTMesoscale DiscussionSPCCharlotte, Collier, Lee, Monroe3 hr
Jan 16, 9:47 AM ESTMesoscale DiscussionSPCBroward, Collier, Hendry, Martin, Miami-Dade, Monroe and 2 more58 min
Jan 16, 10:04 AM ESTTornado WatchSPCBroward, Collier, Hendry, Miami-Dade, Palm Beach5 hr
Jan 16, 12:20 PM ESTMesoscale DiscussionSPCBroward, Miami-Dade85 min

Nearby

Mesoscale Discussions in Florida, 2022Every mesoscale discussion in 2022

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.