VF-27M HIGH PLAINS / SEVERE

WATCH THE
SKY AGREE.

One supercell. Eighty-four minutes. A hook on radar and a funnel in the field organize into the same violent fact.

KGLD / 0.5° REF17:42:00

2070 dBZ

BROAD ROTATION

RANGE14.2 KM

INFLOW22 KT

PHASEORGANIZING

SCRUB THE INTERCEPT

CAM 03 / NW QUADRANT / BEARING 311°

CASE VF-27MVISUAL + REFLECTIVITY + SURFACE PRESSURETRIPLE-SOURCE VERIFIED

01 / CHASE LOGCOMPLETE RECORD

84 MINUTES
UNDER THE BASE

At 17:42, a harmless updraft tower clears the dryline west of Bird City. By 18:43, the circulation is crossing Road W with a fully condensed funnel. Every entry below was dictated live from Unit Five.

17:42:18

VISUAL / INITIATION

THE TOWER FINDS ITS BALANCE

Hard cauliflower edges rise through a slate anvil. South-easterly surface wind jumps from 12 to 22 knots. We leave US-36 and take the north option.

CAPE: 2,860 J/kg
DEWPOINT: 67°F

18:07:44

STRUCTURE / MESO

THE BASE STARTS TO TURN

A smooth inflow band tightens from the east. Scud rises rather than races. The rotating cylinder is now visible to the naked eye, broad but persistent.

“Not yet a funnel. Watch the left edge — that whole ceiling is moving.” — N. Adebayo, lead

18:28:03

RADAR / TVS GATE

THE HOOK CLOSES

Reflectivity curls around a rain-free notch. Gate-to-gate velocity reaches 91 knots at 0.7° elevation. Probe Juniper is armed on County 31.

SHEAR: 91 KT
RANGE: 8.1 KM

18:43:51

CONTACT / EF-2

GROUND AND CLOUD CONNECT

A narrow condensation tube meets a dusty circulation south of Road W. Power flashes pulse twice in the rain curtain. The team holds twelve minutes at 6.4 kilometers.

TORNADO / MOVING 032° AT 24 KT / ZERO INJURIES

19:06:09

DISSIPATION / ROPE-OUT

THE ROPE LIFTS INTO LIGHT

The funnel thins, kinks east, and dissolves against a blood-orange slot. Surface circulation weakens below 30 knots. We recover Juniper after the core clears.

DURATION: 22M 18S
PATH: 8.7 MI

02 / GROUND TRUTH3 OF 3 RECOVERED

WE PUT STEEL
IN THE WIND.

Three compact stations crossed the circulation’s path. Their pressure traces reveal the invisible architecture beneath the funnel.

DATA LOCK / 100%

P-01

DIRECT HIT

JUNIPER

Road W · 18:46:12

PRESSURE FALL−41.8 hPa

P-02

INFLOW

MICA

County 31 · 18:39:07

THETA-E RISE+8.2 K

P-03

RFD EDGE

ROOK

Farm access · 18:52:20

TEMP DROP−12.6 °F

NETWORK LATENCY 118 MSSAMPLE RATE 10 HZGPS ERROR ±0.7 MARCHIVE 84,006 ROWS

03 / INTERCEPT GEOMETRY

STAY IN THE
WARM SECTOR.

The safe view is never the closest view. We stair-step east and south, preserving two escape roads while the storm tracks northeast. Every move is decided before the core arrives.

INFLOW NOTCHClean visual corridor
RFD SURGERapid wind shift
NO-GO COREWrapped circulation

CO RD 31

ROAD W

STORM MOTION032° / 24 KT

UNIT 056.4 KM SE

01

NIA ADEBAYO

FIELD LEAD / MESOSCALE

14 SEASONS

02

ELI SATO

RADAR / NOWCAST

8 SEASONS

03

MARA VEGA

PROBES / INSTRUMENTS

11 SEASONS

04

CALEB ROSS

DRIVER / COMMS

17 SEASONS

SAFETY IS THE MISSION · DATA IS SECONDARY · SAFETY IS THE MISSION · DATA IS SECONDARY ·

05 / NON-NEGOTIABLES

LIVE TO
CHASE AGAIN.

ABORT WORDOUT / OUT / OUTANY CREW MEMBER · NO VOTE

01
KEEP TWO EXITS
Never enter a road network without a verified east and south option. Dirt becomes impassable before it looks wet.
02
DON’T CORE-PUNCH
The wrapped mesocyclone hides hail, debris, and the circulation itself. No image is worth a blind approach.
03
CALL THE MOVE
Driver repeats every turn and escape decision. If one voice says “out,” the whole unit leaves. No vote.
04
LEAVE NO TRACE
Pull fully off pavement, yield to residents and responders, recover every probe, close every gate.